A ranar 14 ga Fabrairun 2006, Microsoft AntiSpyware ya zama Windows Defender tare da sakin Beta 2. Windows Defender shiri ne na kyauta wanda aka tsara don karewa daga kayan leken asiri da sauran software da ba'a so. Masu amfani da Windows XP da Windows Server 2003 waɗanda ke da ainihin kwafin Microsoft Windows na iya sauke shirin daga shafin yanar gizon Microsoft kyauta, kuma Windows Defender jiragen ruwa a matsayin wani ɓangare na Windows Vista da Windows 7. A cikin Windows 8, an haɗa Windows Defender da Microsoft Security Essentials a cikin shirin guda ɗaya, mai suna Windows Defender. Ya dogara ne akan Microsoft Security Essentials, yana karɓar fasalinsa da fasalin mai amfani. Ko da yake an kunna ta tsoho, ana iya kashe shi don amfani da wani anti-virus Software.
Microsoft AntiSpyware