Learn how to shut down, sleep, or hibernate your PC. When you’re ready to make your PC sleep, just press the power button on your desktop, tablet, or laptop, or close your laptop’s lid.

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Learn how Smart charging in Windows can help your battery last longer over time.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Learn what you can do if you're not receiving account aign-in verification codes.

Learn to set up and use your Surface Pen to work, play, and create.

如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。

Select Start , then select Settings > Personalization > Themes.Choose from a default theme or select Get more themes in Microsoft Store if you want to download new themes with desktop backgrounds that feature cute critters, breathtaking landscapes, and other smile-inducing options.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.