Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.

使用 Windows 设置应用更改桌面背景和颜色。

Learn more about how to find all your apps and programs in the all new Windows Start menu.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Learn how to download and install apps you need from your Microsoft 365 business subscription.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

Get steps for how to change screen brightness in Windows.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Check the Xbox services, games, and apps for any service outages.

Learn about Windows service packs and download the latest updates for Windows 10 and Windows 8.1