Windows Defender

Windows Defender, which used to be called Microsoft AntiSpyware, is a application made by Microsoft. It was released on October 24, 2006. Windows Defender prevents, removes and quarantine's spyware in Microsoft Windows. It is included in Windows Vista and Windows 7 and can be downloaded for free if you own Windows XP or Windows Server 2003.

Other pages

• Microsoft Security Essentials

Other websites

• Official Site