The best 8 anti-virus software for Windows 7

It's known to all that viruses is always attacking Windows OS, although windows 7 is the most secure system among Windows OS at present, but for security reasons, a powerful anti-virus software is still necessary.

We recommend that you install security software to help protect your computer from viruses and other security threats, and that you keep your security software up to date. All of the following anti-virus software have been tested that fully compatible with Windows 7.

1. AVG Antivirus: AVG has always delivered fast, effective security without the performance-sapping overheads of other security suites, and AVG Internet Security 9.0 continues that tradition. AVG works quietly in the background, letting you focus on using you computer the way you want, you can get a worry-free online experience every time.

Download AVG Internet Security 9.0 free



2. Norton Antivirus: Developed and distributed by Symantec Corporation, provides malware prevention and removal. Norton Internet Security 2010 and Norton AntiVirus 2010 are designed from the ground up for Windows 7. The 2010 versions deliver security that is both light on your system and extraordinarily effective.

Download Norton Internet Security 2010 free



3. Avast Antivirus: Well-known free anti-virus software for Windows operating systems. Avast has a easy to use user interface and some outstanding features. You can download it quickly, install it and forget your security worries. avast! protects you silently, monitoring your computer's activity quietly in the background without displaying obtrusive messages and pop-ups.

Download Avast! Home edition 5.0 free



4. Bit-defender Antivirus: Bit-defender consider as the best Antivirus in the world, Although it has advanced Antivirus ability and cool UI, but for other reasons, some users choose other anti-virus software. BitDefender Internet Security 2010 keeps your Internet-connected family safe, without slowing down their PCs.

5. Kaspersky Antivirus: Kaspersky Lab has taken the final step in fully supporting the brand-new desktop operating system from Microsoft ¨C Windows 7. Kaspersky Anti-Virus for Windows Workstations 6.0 Release 2 has received a certificate stating that the product is fully compatible with Microsoft Windows 7. You can download Kaspersky Anti-Virus 2010 free, and it provides complete antivirus protection that keeps you safe while you are online.

6. Panda Antivirus:Panda Security is the world¡¯s leading provider of cloud-based security solutions. Panda Internet Security 2010 is a security suite that lets you use the Internet with complete peace of mind. It protects you from viruses, spyware, rootkits, hackers, online fraud, identity theft and all other Internet threats.

7. Avira Antivir Personal: With more than 20 years of experience, Avira is one of the pioneers in this field. Little Red Hat, cute logo is quite popular, both appearance and function are great. In the meantime, Avira Antivir Personal is the best free anti-virus software, in my opinion. Not only the antivirus ability but also the overall performance are very good.

8. Microsoft Security Essentials: Microsoft's own products, natural support its own system. The most important feature is perfectly compatible with the system, but it can not be compared to other professional anti-virus software, only able to complete the basic defense function. Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.

Note: Before you install antivirus software, check to make sure you don't already have an antivirus product on your computer. If you do, be sure to remove the product you don't want before you install the new one. It can cause problems on your computer to have two different antivirus products installed at the same time.