Learn how to adjust the time and time zone settings on your Windows device with this Microsoft Support guide.

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

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn about different things you can try to fix network connection problems in Windows.

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.

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。

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

Device encryption helps protect your data and it's available on a wide range of Windows devices.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

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