Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

You can paste the photo into an Office document, an email message, or on your PC's desktop. Learn more about copying and pasting content between your devices (for Surface Duo and select Samsung devices). What are photo notifications? You can get instant access to your most recent photos or screenshots from your linked Android device by engaging with the incoming new photo notifications on your PC.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

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。

Learn how to connect with your family and friends outside of the office, with new features in Microsoft Teams (free), available on mobile and desktop.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

本页可帮助你了解如何使用 Microsoft 繁体中文输入法，包括输入法功能和键盘快捷方式。

Find answers to common questions about genuine Windows software.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.