Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. 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 ...

Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

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. Online: When you begin activation ...

在移动设备上打开 Xbox 应用。. 选择要在主屏幕上管理其支出的成员。. 或者选择“设置”，然后选择成员的帐户。. 在“支出”下，选择“请求购买”游戏。. 在“Microsoft 帐户余额”下，选择“充值”。. 加载应用内浏览器时，选择所需的金额，然后选择“下一 ...

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account. The Xbox account is used for game streaming access, in-game purchases, achievements, and friends.

选择“我的库”图标并选择“主机”。. 选择要连接的主机，然后按“在此设备上玩远程游戏”。. 在 Windows 设备上：. 打开适用于电脑的 Xbox 应用。. 单击个人资料图片，然后选择“查看个人资料”。. 在“我玩的地方”下，选择“添加控制台”选项，然后按照 ...

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

如何在 Windows 版 Xbox 应用中兑换代码. 按“开始”按钮 ，然后在“搜索”框中输入“Xbox”。. 从结果中选择 Xbox 应用以打开该应用。. 选择左上角的玩家图片，然后选择“设置”。. 在“兑换代码”下选择“兑换”。. 输入由 25 个字符组成的代码，选择 下一步 ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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