Microsoft Windows Defender (64-bit)

Windows Defender helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software. Windows Defender features Real-Time Protection, a monitoring system that recommends actions against spyware when it's detected, minimizes interruptions, and helps you stay productive.
LicenseFree
File Size7.1 MB
Version1.1.1
Operating System Windows 2000 Windows XP Windows
System RequirementsWindows 2000/XP/2003 Server