View a quick demo of Windows Defender and its features.
If you cannot view this demo, install Silverlight now. Security videos
For tips and advice about computer security topics—including advice about how to use the security features in Microsoft products, keep your computer safe from online threats, keep your personal information private, and protect your children online—watch these security videos. Protect your computer from spyware
Watch this video to find out more about spyware-what it is, ways in which your computer can become infected, symptoms of infection, and the top three things you can do to prevent spyware.
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Four steps you can take to protect your computer
Learn the four important steps you can take to protect your computer from worms, viruses, spyware, and other Internet threats.
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100k (3:52 minutes)
Keep your computer up to date
Find out how to get the latest security and software updates for your computer by using Microsoft Update.
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100k (1:57 minutes)
Watch more computer security videos. | 
