1. Microsoft Security Essentials
Security Essentials from Microsoft is definitely one of the best free antivirus programs available, a very good antivirus program that protects you from all types of malware, updates automatically, and is incredibly easy to use. Note: We also took into consideration that there is no other security software ho knows better the Windows Operating System…
Microsoft Security Essentials supports Windows 7, Windows Vista and Windows XP.
2. AVG Free Antivirus
Anti-Virus Free from AVG is one of the best free antivirus software available with antivirus and antispyware tool, includes an email scanner, link scanner, scheduled scanning options, automatic updates, and more. There is no need to pay for an antivirus program when the best free antivirus software in the world is just a download away.
AVG Anti-Virus Free works on Windows 7, Windows Vista, Windows XP and Windows 2000.
3. avast! Free Antivirus
AVAST! Free Antivirus most certainly deserves to be on this list of the best free antivirus programs. It has a fully functioning antivirus and antispyware engine to protect your PC from threats from the Internet, your files, emails, and even instant messages.
avast! Free Antivirus supports Windows 7, Windows Vista, Windows XP and Windows 2000.
4. Comodo Free Security Suites
Comodo Antivirus bills itself as the “Best Antivirus on the Market. Guaranteed.” due to its proprietary Defense+ technology. It protects you from several threat sources, just as most of the other best free antivirus programs on this list do.
Comodo Antivirus could easily be one of the best free antivirus solutions solely because of its Defense+ technology that, by default, assumes unknown files are threats instead of safe. Even if that sounds like it might cause problems Comodo Antivirus utilizes some other technologies to make the whole process silent but still very effective.
Comodo Antivirus works on Windows 7, Windows Vista and Windows XP.
5. Avira Free Antivirus
Avira AntiVir Personal protects you from viruses, Trojans, worms, spyware, adware, and various other kinds of malware, making it a fully functional antimalware tool and certainly one of the best free antivirus programs.
Avira AntiVir Personal works on Windows 7, Windows Vista, Windows XP and Windows 2000. Avira also makes a version of AntiVir Personal for UNIX.
6. Panda Cloud Antivirus
Panda Cloud Antivirus protects you from several kinds of malware threats – viruses, worms, Trojans, adware, and more – just like all the other free antivirus programs in this list.
What makes Panda Cloud Antivirus one of the best free antivirus programs is that it does its job from “the cloud” meaning the hard antivirus work that typically slows down a computer is done on computers elsewhere on the Internet, freeing up your computer to work like it should and protecting you from malware even better.
Panda Cloud Antivirus supports Windows 7, Windows Vista and Windows XP.
7. Immunet Protect Free
Immunet Protect FREE is a unique, cloud-based antivirus program that protects your computer from bots, worms, viruses, Trojans, keyloggers, and spyware.
Immunet Protect FREE works on Windows 7, Windows Vista and Windows XP. You must also be connected to the Internet at all times.
8. Digital Defender Antivirus
digital-defender Antivirus it’s certainly one of the best free antivirus software programs you’ll find. It’s a full antivirus and antispyware program and updates on a daily basis.
digital-defender Antivirus supports Windows 7, Windows Vista and Windows XP.
9. PC Tool AntiVirus Free
PC Tools AntiVirus Free offers basic protection against viruses and other malware. While not my favorite, AntiVirus Free is still one of the best free antivirus programs you’ll find.
PC Tools AntiVirus Free works on Windows 7, Windows Vista and Windows XP.
10. ClamWin Free AntiVirus
ClamWin Antivirus is a free and open source software solution designed to block virus spreading but requires a good hardware system because is a consuming program resource. Also the detection effectiveness of ClamWin Antivirus is low and a lot of infested files are not even found by its scan engine.
You can download the software for free and use it without any limitations.
Free AntiVirus Reviews
Reviewed by macs