Available on Windows

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The 8th most popular anti-spyware tool on Windows

Windows Defender is a free program that helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software.

GIANT AntiSpyware was a spyware detection and removal application developed by GIANT Company Software, Inc. and acquired by Microsoft Corporation in 2004.

GIANT AntiSpyware was renamed Microsoft AntiSpyware, then updated and renamed to Windows Defender, it is a free download for Windows XP users and included with Windows Vista. Its also included in the new operating system, Windows 7.

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Website: microsoft.com/windows/...
Developer: Microsoft Corporation
License: Bundled
Version: 6.2.7989.0
Rating: Features:
Interface:
Performance:
Price/value:
Overall:
Usage: 3 months, 3 weeks, 3 hours, 9 minutes and 19 seconds
Usage since: 19 April 2007
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Popularity over the last 30 days (?)

Windows Defender vs.

Rank: #1571