Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.

Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

Game Pass Ultimate or a supported free to play game is required for cloud gaming. See what else you can do to get the most out of your subscription.

Microsoft Rewards. 注意 若要完成 Microsoft Rewards 任务，需要拥有有效的 Xbox Game Pass 订阅。. Xbox Game Pass 任务是从 Xbox Game Pass 库玩游戏时赢得积分的绝佳方式：. 可以在主机上的 Xbox Game Pass 下和移动设备上 Xbox 应用中的档案下查找并提交每日、每周和每月任务。. 完成 ...

PC 版 Game Pass 计划让你可以在 Windows 10/11 设备上畅玩一组高质量的电脑游戏。. 体验 PC 版 Game Pass 的最佳方式是使用适用于 Windows 的 Xbox 应用，可从 Microsoft Store 或以下位置下载：. 适用于 Windows 的 Xbox 应用.

The Link to Windows app is preinstalled on select Samsung, HONOR, Surface Duo, and OPPO devices that are running Android 9.0 or later. On such devices, you can find the Link to Windows app under the Quick Settings menu by swiping down from the top of your screen.

了解 Xbox X|S、Xbox One、Xbox 360 和 Windows 10 上的 Call of Duty（使命召唤）、如何购买该游戏以及从哪里可获取疑难解答帮助。.

Check for Windows updates. Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Sign in to your Microsoft account with Windows Hello or a security key. When you can't sign in to your Microsoft account. Passwordless sign-in for work or school accounts. Learn how to remove passwords from your Microsoft account to increase security.