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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.