Originally Posted by black05

go to microsoft.com
go to the download center
Top Downloads for:
All CategoriesGamesDirectXInternetWindows Security & UpdatesWindows MediaDriversHome & OfficeMobile DevicesMac & Other PlatformsSystem ToolsDevelopment Resources

install:
Windows Malicious Software Removal Tool
Windows® Defender

these programs have found spyware and the like much better than avg, and other pricey virus programs

and it updates automatically