Protect and clean your Windows computer

To ensure your Windows computer is protected and free of malicious software, complete each task below for your version of Windows. Ongoing tasks should be completed weekly. If you aren't sure which version of Windows you're running, click here.

One-Time Tasks
Operating System
Check Windows security settings
Activate Windows firewall
Turn on automatic updates
Install Malwarebytes
(Anti-malware program)
Activate Windows Defender
(Anti-virus program)
Remove any peer-to-peer (P2P) software
Password Protect All Computer Accounts
Disable Windows File and Print Sharing
Disable guest accounts
Resetting Windows Internet Options

Ongoing Tasks
Operating System
Run disk cleanup
Manually run a Windows Defender scan
(Anti-virus program)
Windows 10, 8, and 7
Scroll to "Run a scan manually" in this MS help file.
Manually run Malwarebytes
(Anti-malware program)
Regularly backup data

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