1. Avast Free Antivirus
Looking to compete with both paid and free security suites, Avast wants to create a unified approach to your computer security. Long gone are the days of the quirky interface. Avast is accessible and robust, with an impressive list of free features and strong, though hardly stellar, performance benchmarks.
2. AVG AntiVirus Free
AVG's updates for 2013 look to the future while struggling to overcome the problems of the past. There's a new interface optimized for Windows 8 that really does make the suite easier to use, and the suite once again tackles its lengthy installation procedure. However, one of the best new features in AVG was actually introduced as a midyear update during 2012.
3. Avira AntiVir Personal
Avira Free Antivirus is one of the world’s most trusted choices. Easy to install and even easier to use, this free software protects you from the very latest threats. The Avira SearchFree Toolbar, included as an optional add-on, upholds your privacy and steers you clear from malicious websites.
4. Microsoft Security Essentials
Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up-to-date so you can be assured your PC is protected by the latest technology. Microsoft Security Essentials runs quietly and efficiently in the background so you’re free to use your Windows-based PC the way you want—without interruptions or long computer wait times. Before installing Microsoft Security Essentials, we recommend that you uninstall other antivirus software already running on your PC. Running more than one antivirus program at the same time can potentially cause conflicts that affect PC performance.
5. BitDefender Free Edition
BitDefender Free Edition is your chance to use one of the world's most effective antivirus engines for free! BitDefender Free Edition uses the same ICSA Labs certified scanning engines found in other BitDefender products, allowing you to enjoy basic virus protection for no cost at all. BitDefender Free Edition is an on-demand virus scanner, which is best used in a system recovery or forensics role.
6. Panda Cloud Antivirus FREE
When it originally debuted, Panda Cloud Antivirus was notable as a free security solution for two reasons: Panda traded on its reputation as a solid security suite vendor making its first foray into the realm of freeware, and the program attained its goal of freeing up system resources by putting much of the program's heavy lifting in the cloud. Now we can add a third reason to the list: it's now known as an effective alternative to the security powerhouses.
Kaspersky anti-virus protects you from the Phishing and Malware sites that you wouldn't otherwise know were attempting to steal from you. At the same time, the Kaspersky Security Network allows your computer to report when it discovers a threat that hasn't been seen before. All 250 million Kaspersky users benefit from our combined knowledge!
8. Emsisoft EMERGENCY KIT
Emsisoft Free Emergency Kit collects a number of powerful system utilities in one portable package. With its help, you can clean, debug, and repair damaged and corrupted systems. Its Emergency Kit Scanner searches your PC for every kind of virus, malware, rootkit, Trojan, and keylogger that the very latest reports and updates identify, plus any new threats it finds, and will then remove or quarantine suspected files, depending on what you tell it to do. Advanced users will appreciate the Commandline Scanner, which is the same scanner but without a GUI. HiJackFree offers powerful manual malware scanning and removal capabilities, while BlitzBlank can delete files, registry entries, and drivers that can't be deleted by normal means. It's a powerful tool that can cause more problems than it fixes, if misused. But Emsisoft Free Emergency Kit isn't for beginners so much as professionals and experienced users. If you're the one your friends and family call on to fix their PCs, it's definitely for you.
9. ZoneAlarm Free Antivirus + Firewall
ZoneAlarm has long been perhaps the most popular free firewall available, and millions have used it to block unwanted access to their computers. ZoneAlarm generally works well with antivirus software, too, but perhaps you'd be interested in a free antivirus solution that actually incorporates ZoneAlarm's firewall? That's CheckPoint's ZoneAlarm Free Antivirus Plus Firewall. ZoneAlarm Antivirus not only protects your system from unwanted intrusions, viruses, and other malware, but it also includes anti-phishing, site authentication, identity protection, and download management features. It's also available as a premium package. The free tool lacks the premium version's parental controls, virtual browsing, PC tune-up, and support features.
Comodo Antivirus is the free way to rid your computer of viruses, malware, Trojans, worms, hackers, and other Internet threats. Scan any drive or file. Get in-depth reports on viral activity. Detect suspicious files that behave like viruses do. Even scan compressed .zip files, where viruses often hide. The latest version sees a major leap forward in security and usability with the addition of cloud based virus-scanning and behavior analysis of unrecognized files - making Comodo Antivirus unbeatable at detecting zero-day attacks.
Hope you've chosen a free antivirus software for your PC for virus protection. You can add your experience in comment box. :)
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