Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate.

If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is genuine, see How to tell your software is genuine and How to tell your hardware is genuine.

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

Before you begin. Make sure the device you want to install Windows 11 on meets the minimum system requirements. If your device is currently running Windows 10, we recommend you verify the minimum system requirements using the PC Health Check app. We do not recommend installing Windows 11 on a device that doesn't meet requirements.

在 Windows 10/11 设备上，PC 版 Game Pass 计划中的大多数游戏都支持脱机模式，但请查看游戏的详细信息，以确保游戏支持该模式。. Xbox Game Pass 目录中的游戏支持在电脑脱机状态下畅玩，但是，在至多 30 天后，你需要将电脑重新连接到 Internet 以验证有效订阅 ...

Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

这是否解决了问题？. 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。.

After you purchase software, the download will be shown in your Order history. To find a specific download, sign in to the Order history page with the Microsoft account you used to make the purchase. Find the software, and then select Product key/Install. Note: If you're having problems installing an app from the Microsoft Store, see Fix ...

是否可以恢复为主机版 Xbox Game Pass？. 你可以随时取消你的 Xbox Game Pass Ultimate 订阅，并且仍然享有 Ultimate 权益，直到预付时间结束，在该时间，你将不再需要付费。. Xbox 订阅取消和退款. 还可以从主机取消订阅。. 按控制器上的 Xbox 按钮 ，转到 “档案和系统 ...

Curate your notifications. Windows Security will send notifications about the health and safety of your device. You can turn these notifications on, or off, on the notifications page. In Virus & threat protection, under Virus & threat protection settings, select Manage settings, scroll down to Notifications and select Change notification settings.