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 ...

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

Help with BitLocker. Finding product keys for Windows and Office. Other support. Help with a work or school account password. I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Manage your Xbox subscription. Game Pass Ultimate or a supported free to play game is required for cloud gaming.

將 Microsoft Rewards 應用程式下載到您的 Xbox 主機，即可在遊戲或購物的同時，追蹤並賺取點：. 請按 [Xbox] 按鈕 以開啟快顯功能表，然後前往 [Microsoft Store]。. 選取 [搜尋]，然後在搜尋方塊中輸入 Microsoft Rewards。. 從結果中選擇 Microsoft Rewards 應用程式，然後將它 ...

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 ...

通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

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 ...