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Microsoft Windows Defender

Microsoft Windows Defender 4.7.209.0

Free program that protects your computer against pop-ups, slow performance and security threats. Learn what's new on this latest version. Click here if the download does not begin automatically.

While you download, you should know...

  • This download has been certified 100% clean. Tested in TechSpot labs using VirusTotal technology.
  • Our editors have curated a list of 3 alternatives to Microsoft Windows Defender, check them out.
  • Microsoft Windows Defender is available for multiple platforms (Windows XP/Vista/7).
  • Microsoft Windows Defender has been downloaded 52,779 times so far.
  • All files are on their original form. No installers or bundles are allowed.
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More about Microsoft Windows Defender

Windows Defender Offline is a standalone software application that is designed to help detect malicious and other potentially unwanted software, including rootkits that try to install themselves on a PC. Once on a PC, this software might run immediately, or it might run at unexpected times. Windows Defender Offline works by scanning an operating system to check the authenticity of any communication the operating system has with the Internet. If there is an application deemed unsafe, it will alert the user and block the contents of the application until the user either accepts or denies the risk.

Features: Read more.

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