Help protect your computer–for free!

Protect

Help shield your computer from viruses, spyware, and other malware.

Update

Download and install the latest security updates, which keep your computer safer online.

Fix

Scan your computer if you think it might be infected with a virus, spyware, or other malware.

How to...

test ad and stuff

These tips can help ensure that you are shopping at a secure and trustworthy site.

Avoid fake e-cards that could contain spam, spyware, or a computer virus.

Enjoy the convenience of Wi-Fi while also helping protect your privacy and online safety.

January 2012 Security Updates

Video running time: 3:02. Get the technical or non-technical bulletin about the updates, or download the updates at Microsoft Update.