1. Bitdefender Antivirus Free Edition

Bitdefender‘s Free Antivirus features on-demand virus scanning that runs in the background to help defend your computer from all malware. This free antivirus monitors your active processes on your computer to detect if any suspicious activity is going on. Bitdefender also supports business security, and provides special packages for businesses.

The free version of Bitdefender includes:
– Windows compatibility
– Automatic Upgrades
– No popup ads
– Fast download
– Low resource consumption

The free version of Bitdefender does not support macOS, Andriod, or IOS, and requires the Bitdefender Total Security package.

2. Kaspersky Free Antivirus

Kaspersky features basic virus protection for your computer. This includes common viruses, infected files, dangerous applications and suspicious websites

The free version of Kaspersky includes:
– Basic malware protection
– Suspicious activity warnings
– Automatic Updates

The free version of Kaspersky does not include its banking/shopping and privacy features. It also does not include its password and parental control features. These features require the paid Kaspersky packages.

3. Avast Free Antivirus

Avast features basic virus and malware protection for your computer. It also includes a scan network scan tool to expose any intruders and security weaknesses in your network.

The free version of Avast includes
– Basic malware protection
– Real time virus scans
– Network scans
– Password protection

The free version of Avast does not include suspicious site activity, Avast Cleanup, and Avast SecureLine VPN. These features require a paid package to be used.

4. Microsoft Windows Defender

Windows Defender features comprehensive, real-time protection against malware. This built in free antivirus protects your system, files and online activities from viruses. Windows Defender is free and comes built-in to devices running on windows 10.

Microsoft Windows Defender includes
– Strong protection against viruses, malware and spyware
– Email, apps, cloud, and web protection
– Real Time Protection
– Parental controls
– Windows Firewall

5. Malwarebytes Anti-Malware Free

Malwarebytes features layers of technology to protect your computer. This free antivirus can be used to defend, or clean up an already infected computers. Malwarebytes also protects mobile devices

The free version of Malwarebytes includes
– Protections against hackers and malware
– Versatile antivirus system
– Chromebook/Mobile support
– File Scanner

The Free version of Malwarebytes cleans your device, but to access other features like real-time protection, Malwarebytes Premium is required