Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.

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

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

Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.

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。

Learn how to view, manage, and delete cookies in Microsoft Edge.

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

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). ...

Learn how to access Microsoft Store on Windows by selecting the icon on the taskbar or using the search box.

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.