"AVG 8 offers very good protection against viruses and spyware—just a tad better than free competitor avast!. As a bonus, its real-time LinkScanner technology keeps you from clicking search links to dangerous sites. It's an excellent choice if you need free protection against both viruses and spyware."
More information about AVG antivirus software for Windows XP and Windows Vista
AVG Anti-Virus Free Edition won PC PRO Recommended awardAVG Anti-Virus Free Edition is the best download
AVG Free provides you with basic antivirus and antispyware protection for Windows and is available to download for free.
* The most downloaded software on CNET's Download.com
* Protection against viruses and spyware (antivirus and antispyware)
* Fast, effective security that is kind on resources
* Compatible with Windows XP and Windows Vista