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Security videos
For tips, tricks, and advice on computer security topics—including advice on using security features in Microsoft products, keeping your computer safe from online threats, keeping your personal information private, and protecting 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 your computer can become infected, symptoms of infection, and the top three things you can do to prevent spyware.
300k (broadband) | 100k (2:32 minutes)

Four steps to protect your computer
Learn the four important steps you need to know to protect your computer from worms, viruses, spyware, and other Internet threats.
300k (broadband) | 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.
300k (broadband) | 100k (1:57 minutes)

Watch more computer security videos.

Windows Defender

View the demo
View the demo
Learn about Defender features.
Resources for Software Vendors
Resources for Software Vendors
Understand how Microsoft objectively rates software and how to communicate your questions to us.
Latest updates
Latest updates
Get the latest anti-spyware definitions for Defender.
Getting started
Getting started
Using Defender is quick and easy.
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