How do I install and configure Microsoft Security Essentials?


Once the updates are in place, my test PC goes from a red warning that my computer is at risk to a green declaration that my PC is protected.

This gallery is also available as a TechRepublic blog post and download. Image created by Mark Kaelin for TechRepublic.


Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to,, and TechRepublic.

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