Helps you sign out of Office 365 from your device or from the web.

Use the Windows Settings app to change your default browser.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

Admins set default meeting settings. They try to optimize for most use cases, but if you want to adjust your options for a specific Teams meeting, go to Meeting options.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.