10 Best Free Antivirus Software for 2021

Best free antivirus software
Best free antivirus software


The Internet is not safe due to various threats including phishing, ransomware, and other kinds of malware. After the recent incidents of ransomware, it is really important to take the system’s security seriously and have something to safeguard your data. So having an antivirus is the need to keep your data safe. If you are not sure what Antivirus to use, here is the list of best free antivirus list of 20192021 We have evaluated these best software and their features to give you a clear picture.

Also see: Best Free Antivirus Apps for Android

Best Free Antivirus Software

Take a look at this list of the 10 best free antivirus software for 2021.

1. Bitdefender Antivirus Free Edition

Bitdefender is the free antivirus software by a Romanian internet security software firm. The company has a wide range of security products including free antivirus software to help you from various security threats including trojans, viruses, rootkits, worms, adware, ransomware, etc.

This free antivirus software is available for Windows, Mac, and Android platform. It comes with on-demand virus scanning, phishing protection, malicious URL blocking and more. It keeps on updating its virus definition database on the regular interval to keep you safe from all latest security threats.

Download Here

Also read: Bitdefender Total Security 2019 Review

2. Avast Free Antivirus

Avast Free Antivirus is popular among users and known to be one of the best free antivirus software available. It aims to protect you from several security threats. Apart from regular malware scanning, it also scans your installed software and keeps you safe from phishing and malicious websites.

This free antivirus software claims to come with the largest threat detection network and machine-learning protection to keep you safe. Unlike most of the other free antivirus software, it also won’t slow down your PC.

Avast Free Antivirus software is available for Windows, Mac, and Android.

Download Here

3. AVG Free Antivirus

AVG is also a nice software program available for free. It comes with powerful virus software scanning and protection from several security threats. The only issue with the software is that it also installs a few additional things that might irritate you. So, be sure to uncheck the unwanted things while installation.

AVG Free antivirus offers solid protection from several security threats. It also blocks unsafe links, downloads, and email attachments.

This antivirus program is available for Windows, Mac, and Android platforms.

Download Here

4. Avira Antivirus

Avira Antivirus is also years old software program, The company behind this antivirus was founded back in 1986 and has managed to keep its name in one of the best free antivirus software of the year.

This free antivirus software offers a good layer of protection and does not force you to upgrade to the premium plan. It offers malware scanning, malware removal, and internet security.

The pro version of the software offers more features including phishing, ransomware protection, email scanning and more.

Avira free antivirus program comes for Windows, MacOS and Android platforms.

Download it here

5. Sophos Home Free Antivirus

Sophos is another popular company offering security products. Along with its premium offering, it also offers a free antivirus program. The free version of the Antivirus software offers good security. It keeps a close eye on your web activity and offers built-in web protection to block unsafe websites.

Sophos Home Free Antivirus is available for both Windows and Mac platforms. It also offers mobile security for iOS and Android mobile platforms. There is also a malware removal tool that removes viruses, trojans, rootkits, and other malware.

Download it here

6. Kaspersky Security Cloud

Kaspersky also wants you to be safe from several security threats. So, it offers Kaspersky Security Cloud. This software suite offers antivirus, firewall, parental control, spam filtering, phishing protection, etc.

This security suite offers powerful malware scanning and internet security, but it not free for a lifetime. It only comes for a 30-days free trial version and you need to upgrade to use it after the trial period time. You can either opt for a personal account or get a family account to protect all devices at your home.

Kaspersky Security Cloud software suite is available for Windows, macOS, Linux, iOS, and Android platforms.

Download Here

7. Comodo Antivirus

Comodo Antivirus is a feature-rich software program offering good security options. This free antivirus software comes with cloud scanning options with it’s up to date virus definition database.

Comodo Free Antivirus software offers a clean experience with its basic theme. It offers malware protection, Auto Sandbox Technology, Host Intrusion Prevention and Fast, Cloud-Based Scans.

Comodo Antivirus is available for Windows, macOS, Android, and Linux. If you like the free version, you always have an option to upgrade to a premium version of the Antivirus with better security features.

Download Here

8. Panda Free Antivirus

Panda Free Antivirus software is another excellent free antivirus program offering good protection and internet security. It irritates you by asking you to upgrade again and again.

It offers several features including real-time protection, Panda Cloud Cleaner, URL scanning to safeguard your web browsing, USB protection, and more. This is available for Windows and macOS platforms.

Download Here

9. ZoneAlarm Free Antivirus + Firewall

Check Point’s ZoneAlarm Free Antivirus is also one of the best antivirus software of the year. If you are not convinced with other security tools, you can look at this free antivirus program. It claims to have multiple layers of advanced protection that provide unsurpassed security.

During the installation, ZoneAlarm downloads the latest virus definitions and antivirus signatures to keep your antivirus update to date. It is worth noting that ZoneAlarm Free Antivirus + Firewall is licensed from Kaspersky.

It comes only for the Windows platform.

Download Here

10. Microsoft Windows Defender

This security software is developed by Microsoft and the company keeps on improving it. It comes with the latest Windows OS. So, you do not need to install any third-party software. This software comes as a part of Windows, and it never asks you to upgrade to any paid product.

As the software is free and nothing to upgrade, this software is one of the best choices. It also has no effect on the performance of your system.

Now, this Antivirus solution is also available for the Mac platform and the company now calls it Microsoft Defender because windows word doesn’t make sense on MacOS.

Know more about it here.

Final Words

This was the list of best free antivirus 2021. If you want my clear opinion, I will recommend Avast and Avira. You can go with these without any second thought. Most of these security companies share their virus definition database, these offers similar kind of protection. The primary difference is the impact on the performance of your system. You can compare the features of these free antivirus software and also consider the price of premium plans.

If you have any question, you can always comment below to ask your queries.