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When to trust a website
Learn how to decide whether a website is secure and trusted before you download software or do business online.
Security checklist for Windows
Help make your PC more secure by using features like Windows Defender, installing important updates, and backing up your files.
Security, privacy, &accounts - Microsoft Windows Help
Get help with security, privacy, and user accounts, including info about viruses, passwords, parental controls, firewalls, and drive encryption.
Windows Startup Settings (including safe mode) - Microsoft Windows Help
See a list of options available for starting Windows in diagnostic modes such as safe mode.
Keep your kids safer on the PC - Microsoft Windows
See how to help keep your kids safer on the PC by blocking certain websites, apps, and games—and them monitoring their activity.