Get the latest info on new features for Microsoft Teams with these regularly updated release notes.

当设备准备好最新的 Windows 更新后，可以从“设置”中的“Windows 更新”页面下载它。

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

Learn about how tracking prevention works in Microsoft Edge. Adjust your tracking prevention setting to detect and block known trackers.

Learn how to sign in, sign out, lock, and switch user account in Windows.

Clean up your inbox and keep your email organized with automatic filtering and sorting, and by using tools on the command bar like Sweep, Archive, and Move to.

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.

Learn how to reactivate your account if your OneDrive has been blocked.

Learn what OneDrive error codes and messages mean and what to do about them.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.