Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

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

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

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

How to access and change the privacy settings in Windows 10 and 11.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

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。

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 view, manage, and delete cookies in Microsoft Edge.