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。

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Descubre cómo enviar una solicitud para obtener el reembolso de una compra de contenido digital de Xbox.

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

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

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

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

Find out how to change privacy settings for your camera and microphone in Windows.

Learn how Smart charging in Windows can help your battery last longer over time.