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 ...

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.

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上进行云游戏。

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 ...

获取有关损坏或不可读代码的帮助. 如果无法读取数字代码的全部 25 个字符，则需要通过联系 aka.ms/contactxboxsupport 请求替换代码。. 联系支持人员时，请确保提供购买证明、序列号和损坏代码的图片。. 注意 请拍摄卡片正面和背面的图片，或拍摄打印代码的收据 ...

Sign in to the Advanced security options page of your Microsoft Account. Select Add a new way to sign in or verify then choose how you would like to receive security codes. Note: VOIP numbers cannot be added as a way to sign in or get verification codes. We'll send a security code to the new number or email to confirm.

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

如果使用你的 Microsoft 帐户余额购买游戏或加载项，则帐户中的资金可能不足以支付商品的总价格。. 例如，如果尝试购买的游戏的单价为 9.99 美元，而 Microsoft 帐户余额为 10 美元，则该金额不足以支付税款，因此需要充值才能支付总余额。. 如果收到数字充值码 ...

Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.