The companies listed below provide consumer security software that is compatible with Windows 7.

AVG Anti-Virus Free Edition for Windows 7
AVG Anti-Virus Free Edition is for private, non-commercial, single computer use only. It protects against viruses and spyware. Its LinkScanner Active Surf-Shield protects in real time against poisoned web pages while you’re surfing. You can download this antivirus from here.

avast! antivirus Home Edition
avast! Home Edition – Free Antivirus represents the best FREE antivirus protection currently available on the market. This edition is FREE OF CHARGE for non-commercial & home use only. FREE avast! antivirus Home Edition includes ANTI-SPYWARE protection, certified by the West Coast Labs Checkmark process, and ANTI-ROOTKIT detection based on the best-in class GMER technology. You can download this antivirus from here.

Avira AntiVir Personal – Free Antivirus
Protects your computer against dangerous viruses, worms, Trojans and costly dialers. he detection rate is quite good and also the overall performance. You can download this free antivirus for windows 7 from here.

Bitdefender Antivirus:
Protects against viruses and other malware using industry-leading technology. Prevents personal information from leaking via e-mail, Web or instant messaging. This is the stripped-down version of the famous Bit-defender paid antivirus. You can download this free antivirus for windows 7 from here.

PC Tools Antivirus:
PC Tools AntiVirus Free Edition provides world-leading protection against viruses, worms and Trojans with rapid updates and IntelliGuard real-time technology. You can download PC Tools free antivirus for windows 7 from here.

Kingsoft Free Antivirus:
ingsoft Free Antivirus provides effective and efficient protection solutions with faster operation and lower CPU utilization. The comprehensive defender ensures your computer’s security from any potential risk. It also provides you with several convenient tools, such as USB Device Protection, IM Protection, Disk Cleaner, History Cleaner, LSP Repair and so on. You can download Kingsoft free antivirus for windows 7 from here.

Comodo Antivirus:
Antivirus Software from Comodo provides complete Internet Security. ou can download Comodo free antivirus for windows 7 from here.

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