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Microsoft Windows Defender

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.
PriceUSD0
LicenseFree
File Size4.92 MB
Version1.1.1593
Operating System Windows Windows 2003 Windows Vista Windows XP