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.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

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

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

了解如何添加新的 Xbox 好友，以便快速在线找到他们，为你的下一场游戏冒险做好准备。

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Download the latest internet browser recommended by Microsoft from the official support page.