Good antivirus program necessary for a secure system, and you absolutely not you have to pay for it to get great protection. Below is a list of the top 11 free antivirus software you can download for Windows today.

All of these programs perform definition updates automatically, always working to make sure your files are protected from malware, and your personal information remains private and can run an on-demand scan at any time.

However, they each have a few notable differences that make them stand out, so pay attention to the ones you decide which one to use.

If you just need cleaner from spyware and you need it right now, without waiting for one of these complete AV programs to install, use one of the (preferably portable ) applications from our list best free spyware removal tools . There are also free on-demand virus scanners that you can install. Also consider installing a windows firewall alternative from this list free firewall software .

If you can’t even log into Windows to install the antivirus tool, go to a working computer and then use it to create free downloadable antivirus tool which can then be run on the infected computer.

out of 11

Avira Free Security

Avira Free Security on Windows 10
What we like
  • Password manager included.

  • Additional optional downloadable protective layers.

  • Antivirus process in the cloud.

What we don’t like
  • Additional features can be annoying.

  • Protects only Chrome and Firefox browsers.

  • Additional components often require a board to be fully functional.

The main component of Avira’s free software package that makes it stand out is an additional «discovery in the cloud» feature called Protection Cloud . This scanning method allows Avira’s antivirus tool to detect and stop threats before they get out of hand.

Here’s how it works: when a suspicious file is found on any computer running Avira, a fingerprint of that particular file is generated and uploaded anonymously to Avira so they can scan it and report its status (safe or dangerous) back to every Avira user. so that the program can take appropriate action.

Avira can scan and remove existing threats, as well as automatically detect and stop new ones. It protects you from ransomware, Trojans spyware and other types of malware. You can even choose which ones to actively monitor and disable others (although not recommended) such as dialers, jokes, adware, etc.

Avira Free Security can also:

  • Scheduled Scan
  • Check files with any extension or only those you select manually
  • Disable the ability to stop active scans (so that viruses cannot prevent the program from finding them)
  • Adjust scanner priority level
  • Basic scanning boot sectors
  • Follow symbolic links to scan actual files
  • Search rootkits before scanning
  • Scanning Windows Registry
  • Ignore files on network drives
  • Automatically fix, rename, quarantine, remove or ignore threats when they are detected
  • Use heuristic scanning
  • Add files, folders and processes to the ignore list
  • Managing Windows Firewall Settings
  • Program settings password protection
  • Autoplay blocking on removable devices
  • Make the hosts file read-only

The Avira program offers more than just a very comprehensive antivirus application. It includes several other «layers» of security that are installed automatically and may take some time to load as there are several. However, you do not need use them and they won’t bother you unless you open them.

These individual modules include vpn, which encrypts all your traffic (up to the first 500 MB each month); password manager for secure storage of complex passwords; and software updater, which identifies outdated programs and gives you links to update them.

In addition, Avira can speed up your computer and reduce download times with a tweak tool, help you find the best deals when shopping online, and warn you of malicious websites or software bundles before you download them (using your SafeSearch add-ons. on the ).

These additional features can be annoying if you stick strictly to an antivirus solution, but then again, you don’t have to use them; just keep them hidden where they are and you won’t have to worry about them.

Avira Free Security is designed to run on computers running Windows 7 and later, including Windows 10 and Windows 8. Also available Avira for macOS .

out of 11

Bitdefender Antivirus Free Edition

Bitdefender Antivirus Free Edition on Windows 10
What we like
  • Drag and drop files and folders scan.

  • Minimal, concise design.

  • Easy to set up and run.

What we don’t like
  • Limited customization if that’s what you’re looking for.

  • It takes time to install.

If you want an antivirus program that is not only free, but also easy to use and not overloaded with many buttons and menus, you should definitely try the free version of Bitdefender Antivirus.

Not only do you get instant protection against viruses, worms, rootkits, spyware and other threats, but also phishing and fraud protection that keeps your browsing and passwords secure.

It’s amazing how well Bitdefender works despite its minimal design. Drag and drop folders and files directly into the program to scan them, run a full system scan, or check selected items from the right-click context menu — all of which can run at the same time.

Regardless of how they are launched or how many scans are performed at the same time, the history of these scans is recorded for you in the main window of the program, as well as in the » Developments» settings.

The obvious disadvantage of a program that lacks a lot of customization options is that you can’t change much. This may be what you want, but it may not be available — all you can do with this release of Bitdefender is start and stop scanning.

Another disadvantage of this software is how long it takes to get ready for use. The initial installer for Bitdefender is quite small, but that’s exactly what is used to download the full program, which is hundreds of megabytes in size and can take a while if you have a slow internet connection.

It’s also unfortunate that you can’t pause scans (it just lets you stop them) or set file and folder exclusions. before the start of the scan, as some AV programs allow. With Bitdefender, you can only mark files or websites as safe after Togo, how they have been identified as potentially harmful.

Ads asking you to purchase Bitdefender’s professional programs and scheduled scans are not supported (but they are not necessarily necessary, since Bitdefender always checks for new threats) — these are a few more not so good ones.

Bitdefender Antivirus Free Edition runs on Windows 10, Windows 8 and Windows 7.

out of 11

Adaware Antivirus Free

Adaware Antivirus Free on Windows 10
What we like
  • Lightweight antivirus program.

  • It can work as an addition to other antivirus programs.

  • Quiet Mode disables notifications and limits resource usage.

What we don’t like
  • Some useful features are only available in the paid version.

  • Limited configurability.

  • Real-time email scanning is not enabled.

Adaware Antivirus installs in minutes, doesn’t require much system resources and can be used in one of two ways. The former is in normal mode, where it checks for threats as they occur, while the other lets you use it in addition to your main antivirus program.

This so-called «second line of defense» disables real-time protection but allows you to use Adaware Antivirus to manually scan for existing threats. This feature is useful if your main AV software does not detect malware that you know is infecting your computer.

Whichever method you use, Adaware Antivirus provides protection against ransomware, spyware, viruses, and other forms of malware. You can find these threats with a quick, full or custom scan.

Daily, weekly, and monthly scheduled scans are supported, and you can even run a scan to just check for certain things, like only rootkits, or just watch for cookies and boot sector viruses.

Adaware Antivirus also allows you to select a custom performance setting to use more system resources to run a scan (to speed it up), exclude files/folders/file extensions from scanning, and decide how often to check for new definition updates (every 1/). 3/6/12/24 hours).

For real-time protection, you can enable or disable the following options:

  • Scanning archive files
  • Scanning mail databases
  • Deep scan that checks CHM files and executables
  • Smart Scan that skips previously scanned files
  • Scanning boot sectors
  • Scan files as they move across the network
  • Skip scanning files that are larger than the custom size (for example, 10 MB to skip video files)

You can also secure the program settings with a PIN, as well as enable gaming/silent mode to suppress notifications.

Adware Antivirus definitely has its benefits, but since there is also a non-free version that you can upgrade to, many advanced options are not supported.

For example, parental controls and advanced network, web, and email protection are only available in Adaware Antivirus Pro . These options are available in the free version, but they are not actually clickable/tapable until you enter your Adaware Antivirus Pro license key.

Adaware Antivirus Free works with Windows 10, Windows 8 and Windows 7.

out of 11

Avast free antivirus

Avast Free Antivirus on Windows 10
What we like
  • Add-ons allow you to increase protection.

  • Excellent customization.

What we don’t like
  • The password manager and some other tools are included for reference only.

  • Additional features require purchase.

Avast is used by hundreds of millions of people and ranks high on almost every «best list» of antivirus software, and for good reason. If you want a reliable program that is sure to block new threats, yet is still easy enough to set up, you should consider using it.

Avast Free Antivirus is similar to Avira; add-ons enhance virus protection and provide additional services related to security and privacy.

The antivirus part has a lot of options that you can change, but it’s still easy enough to use as there is informational noise next to most of the elements, so you’re not left wondering what happens if you turn them on.

In addition, definition and program updates are automatic (manual control option is also available), which means you can install Avast and let it do its thing without worrying about whether you’re running the latest and greatest version.

Avast is highly customizable and allows you to change everything from the sound it makes when it detects threats and the duration of on-screen notifications to the types of file extensions it should scan.

Here are some more features supported by Avast Free Antivirus:

  • Scheduled Scans
  • Custom scans that can only check memory rootkits, autorun programs, etc.
  • Checking all files or only specific file extensions
  • Identifying files by their content instead of a suffix
  • Fine tuned heuristic sensitivity
  • Scanning for potentially unwanted programs
  • Follows shortcuts to scan the real file
  • Can scan in many archive file formats such as DOS and Win32 self-extracting executables, CHM, ACE, 7Z, RAR, TNEF streams, Mac archives, ISO and more
  • Windows Explorer context menu integration
  • folders, hard drives and URLs ( but not separate files ) can be preliminarily excluded from scanning
  • Custom scans are easy to save for future use
  • The Rescue Disk utility lets you use the Avast scanner even if you can’t start your computer
  • Individual areas of the program can be password protected
  • Turn on Do Not Disturb to block notifications from other apps while you’re using them in full screen mode

Before installing Avast, you have the option to enable over a dozen different tools: Files, Behaviors, Web and Mail Screens; software updater, browser cleaner, rescue disk, Wi-Fi inspector, SafePrice security and browser extensions; password manager; junk file cleaner; and game mode.

Technically, if you only want malware protection, you can only install screens from the very beginning of this list; others are add-ons that are not needed but may be useful at some point.

For example, the software updater is a good tool that will not only check for and report outdated software, but also install new versions for you (even in large numbers).

Wi-Fi Inspector scans the network for devices that may be vulnerable to attacks. For example, it can identify that a computer is running a file sharing service that is known to promote the spread of a particular type of worm.

You can install these tools (it will take no more than five minutes) and then disable or remove them completely. Or you can ignore them during installation and just install them later, or not install them at all.

However, the password manager and cleaning tools are only trial versions that will expire after a time-limited trial period. AT this free version also have function firewall file shredder and sandbox.

Avast Free Antivirus is compatible with Windows 10, 8, and 7. There are also versions for Mac and Android.

Check out our comparison between Avast and Bitdefender, to see which one might be best for you.

out of 11

Panda Dome

Panda Dome on Windows 8
What we like
  • Slight impact on system resources.

  • Minimal, uncomplicated design.

  • Security news about the latest reports of violations and threats.

What we don’t like
  • Resets the browser’s home page and default search engine, unless overridden during installation.

  • Contains ads.

Free antivirus program Panda Security, Panda Dome (formerly known as Panda Free Antivirus ), installs in minutes and has a minimal design like Bitdefender. However, despite the fact that this is not CPU or memory, and not seems customizable, all its numerous parameters are hidden in the program settings.

From there, you can do things like set up both automatic on-demand scanning, as well as checking compressed files and looking for potentially unwanted programs.

The automatic persistent scanner also includes some advanced options such as behavioral and analysis scanning options, the ability to prompt you before clearing a virus, and to block files from running for so many seconds until results are obtained on whether it is safe or harmful to cloud .

Something completely unique to Panda Dome is the news and security alert sections, which can show you critical, warning, and informational messages, such as when a popular supplier faces a data breach that could affect your personal information. You can, however, disable them if you wish.

Complete a scan in just a few minutes if you only want to check for active threats such as browser cookies, processes, and things that are currently loaded into memory. However, there is also, of course, an option for a full system scan or a custom scan.

Here are a few more things you can do with Panda Dome:

  • Password protect the entire application
  • Clear quarantine every three days, every week, every month or never
  • Gaming/Multimedia option disables all notifications if you are using a full screen app
  • Exclude certain files or folders from scanning, as well as certain file extensions of your choice
  • Enable USB protection to scan removable devices when they are plugged in to make sure they don’t spread anything to the computer
  • Monitor running processes as well as any URLs they access and terminate them if Panda Dome considers them a threat
  • Record everything in event reports that you can view and even print or export to a TXT or CSV file
  • If necessary, install Panda Safe Web during installation to protect you from malicious websites.

The Panda Dome antivirus software does a great job of keeping the important buttons and hiding the extra options in the menu so you’re not constantly bombarded with options or warnings.

However, the program will change your home page and search engine in your web browser if you don’t clear these options during the initial setup.

Panda Dome works on all versions of Windows from Windows 10 to Windows XP.

out of 11

AVG AntiVirus Free

AVG AntiVirus Free
What we like
  • Installs in a few minutes.

  • Choose what to enable during setup.

  • Updated automatically (definitions and program).

  • You have full control over how everything works.

What we don’t like
  • Shows features that you cannot enable in the free version.

  • Always advertises AVG Internet Security.

  • Does not officially support Windows Vista or XP.

AVG’s free antivirus software is easy on the eyes and even easier to use. The scan button is right in the middle of the screen, disabling features is very easy, and all advanced options are hidden from view in the settings.

Like most antivirus tools, this one allows you to schedule scans, check for threats in archives, remove viruses as soon as they are found, scan USB drives, exclude files/folders/websites from scanning, and run scans at boot time.

AVG AntiVirus Free is easy to set up. You can either install it and leave the settings alone to have regular protection, or go into the settings and make adjustments to just about anything.

Choose how files are scanned — include only content that could include malware (such as executable data), only files that use an extension that is considered potentially harmful (such as EXE), or all files regardless of content type or file extension.

Enable rootkit detection, hardcore mode, and CyberCapture technology, which helps detect threats in unrecognized files.

During installation, you have full control over which components should be enabled or disabled after AVG is installed. The options are File Shield, Behavior Shield, Web Shield, Email Shield, SafePrice browser extension, File Shredder, Cleanup, and Do Not Disturb.

AVG AntiVirus Free also includes a tool for destruction files, which you can use from the right-click context menu to overwrite files using data destruction method using random data , Gutmann or DoD 5220.22-M .

Windows 10, 8 and 7 are supported. It also works on Mac (10.10 Yosemite or higher) and Android.

During installation, you are also prompted to install a web browser AVG, the secure AVG browser but you can uncheck this option if you like.

out of 11

COMODO Antivirus

Comodo Antivirus on Windows 10
What we like
  • The user interface can match your comfort level.

  • Many settings can be customized.

  • Run programs virtually.

  • Automatic updates for the program and virus definitions.

What we don’t like
  • Settings are sometimes not saved after editing them.

  • Includes other programs and tools you may not want.

COMODO Antivirus stands out in several ways: it can be as simple or as complex as you want depending on your level of experience with antivirus tools, it supports cloud-based scanning to detect new threats, and its built-in sandbox technology can isolate programs so they don’t could affect your files, even if they turn out to be malicious.

As soon as you install this free antivirus program from COMODO, it starts scanning to make sure your computer is safe. You can also run a scan at any time: a quick scan, a full scan, a scan of frequently infected areas, and a custom scan.

Customizable scanning in COMODO Antivirus allows you to choose which files or folders to scan and includes many other settings such as decompressing and scanning archives, using cloud scanning, automatically removing threats, enabling heuristic scanning, checking for threats running in memory, skipping files from maximum size, run a scan using full system resources, uninstall PuP, and more.

The basic view for program options launches scanning, unlocking applications, updating the program, and running software in virtual mode, while the advanced view provides more details about these areas of the program and displays logs, and toggles various features such as HIPS and VirusScope .

Check out the virtualization feature in COMODO Antivirus. You can run any program in a virtual space completely separate from the rest of your files. This is an opportunity to test the application to make sure it’s real and not just a ploy to get you to install a virus. Run the programs in this secure container from the COMODO program or by right-clicking the executable and choosing an option from the menu.

Here are some other features worth mentioning:

  • Program password protection
  • Show floating desktop widget
  • Hide update ads
  • Select the types of archive files to extract and scan
  • Enable real-time network file scanning
  • Define heuristic scan level (low, medium, high)
  • Schedule checks as often as every hour, as infrequent as once a month
  • Set up HIPS rules
  • Enable Quiet Mode
  • Forced automatic localization of suspicious or malicious files.
  • Use a unique password for the virtual desktop feature

COMODO Antivirus officially supports Windows 10, Windows 8 and Windows 7. It also available for macOS .

Comodo Dragon web — the browser automatically installs during installation, if you don’t tell him not to do. After installation, pay close attention to the options provided: you can change your DNS servers to COMODO’s COM-secured DNS servers (which will likely improve security and speed up browsing), enable cloud-based behavior analysis, send anonymous usage of the program to COMODO. and change your default homepage and search engine to Yahoo.

out of 11


FortiClient works on Windows 10
What we like
  • Automatically downloads and installs updates.

  • Lots of control over settings.

  • Simple user interface.

  • Comes with an application firewall.

What we don’t like
  • Requires internet during installation (this is not an offline installer).

  • Slowly download and install all components.

  • Unable to pause scanning (stop only).

  • Lacks useful documentation.

The free antivirus program FortiClient is unique for several reasons. Unlike many other AV programs on this page, this program includes parental controls, manually scans your programs for vulnerabilities, functions as a VPN client, and includes a firewall.

Installing this program allows you to block websites based on URLs and categories of sites, such as sites using bandwidth, illegal sites, and sites marked as including content related to hacking, discrimination, erotica, games, advertising, shopping, abuse children and plagiarism.

Sandbox files opened from a web upload, email attachment, removable drive, or network drive. This feature is good if you are careful about opening these types of files because they are the main entry points for malware.

Here are some other FortiClient features you’ll love:

The program interface itself is easy to read, but it may be too much for a novice user. There is hardly any information about what each component and setting does when you switch it, and some of these features are only really useful if your computer is controlled remotely by an administrator.

Windows 10, Windows 8 and Windows 7 are supported. You can also get this free antivirus program for Linux and macOS (but with fewer features). FortiClient has a similar tool for web filtering and VPN access, also for Chromebook, Chrome browser, iOS and Android.

During installation, you will be asked if you want to enable the following features along with your antivirus program: SSL and IPsec VPN, FortiSandbox detection and quarantine features, and additional security features that include antivirus, web filtering, single sign-on, and application firewall. You can enable them during installation or later when FortiClient is fully installed.

out of 11

Immunet Antivirus

Main screen of Antivirus Immunet
What we like
  • Tons of customizable options.

  • Without advertising.

  • Automatic updates.

  • Helpful information is included.

  • Small setup file; quickly installed

What we don’t like
  • Works only on Windows and possibly only on newer versions (not on XP).

Immunet offers real-time protection for Windows. It has a slightly dated interface, but the software is still up to date and even connects directly to the cloud for updates.

There are many options that you can turn on or off to customize how the software works, but you can also leave all settings at default and it will still scan your computer for real-time threats.

Here are some other features you get with Immunet:

Immunet Antivirus has been tested on Windows 10, Windows 8 and Windows 7 as well as Windows Server 2016/2012/2008 R2.

out of 11

Kaspersky Security Cloud Free

Kaspersky Security Cloud Free
What we like
  • Clean user interface that is easy to understand.

  • Unique features not found in other programs.

  • Protect your email.

  • Lots of options for you to customize.

  • Set up a scan schedule.

What we don’t like
  • You must create a user account to activate the software.

  • Some of the features you see in the program are not free.

  • Cannot exclude checks on file extension.

  • Slow installation.

  • You need to renew your free license every year.

Kaspersky Security Cloud Free is a good choice for a free antivirus program if you want a simple program with lots of features. It’s easy to use and offers a lot of extra options if you want to take a look at them.

This free AV program is also useful if you don’t have enough system resources on your computer. Kaspersky Security Cloud Free can automatically delay scanning and reduce animation when CPU usage is too high. It supports idle scanning when you’re away, and allows you to improve performance, not protection, by changing the overall level of security.

It includes a self-protection feature that blocks all attempts to modify or delete processes, registry entries, and Kaspersky installation files.

Other details worth mentioning:

Kaspersky’s free anti-virus program runs on Windows operating systems. It is said to be compatible with Windows 10 and 8 on Windows-based tablets, as well as Windows 7 and newer on desktops and laptops.

out of 11

ZoneAlarm Free Antivirus

ZoneAlarm Free Antivirus on Windows 10
What we like
  • Updated automatically.

  • Includes free firewall.

  • Can run scheduled scans.

What we don’t like
  • Heavy system resources.

  • Slow installation.

ZoneAlarm Free Antivirus, also called ZoneAlarm Security and ZoneAlarm Free Antivirus + Firewall is exactly what you think: antivirus software with a built-in firewall tool. Not only do you have protection against threats such as spyware, viruses, Trojans, and bots, but you also have firewalls that block intruders from accessing your computer’s files.

Here are some other important features of this free antivirus tool:

ZoneAlarm Free Antivirus + Firewall works on Windows 10, 8 and 7.

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