Windows Defender

What is Windows Defender?

Windows Defender is malware protection that is included with and built into Windows 8. This software helps identify and remove viruses, spyware, and other malicious software.
Windows Defender runs in the background and notifies you when you need to take specific action. However, you can use it anytime to scan for malware if your computer isn’t working properly or if you clicked a suspicious link online or in an email message.


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Windows Defender is your first line of defense against spyware and other unwanted software. And in Windows 7, it's easier to use, with simpler notifications, more scanning options, and less impact on your computer's performance.

A new feature called "Clean System" provides one-click purging of all suspicious software, and Windows Defender is now part of Action Center, the streamlined place for keeping your PC running smoothly.