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 ...

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.

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

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.

此错误代码可能表示以下情形之一：. 你的银行未授权你的支付选项（例如，你的信用卡已过期、被冻结或者已被拒绝）。. 请联系你的信用卡公司或银行，确保正在使用的支付选项已激活，具有可用资金，且交易并未因为某些原因而受到阻止。. 如果用于为 Xbox ...

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

从 2023 年 7 月 14 日开始：现有主要和辅助成员将收到说明此更改的详细信息的电子邮件。; 从 2023 年 7 月 17 日开始：主要帐户持有者将无法再将新成员添加到其共享成员身份。; 2023 年 8 月 15 日：现有成员身份将结束，Xbox Game Pass Friends & Family 将不再可用。; 从 2023 年 8 月 15 日开始：我们将发送 Xbox ...

Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate , select the Dynamic option. ( Note: This option is only available on supported hardware. If you don’t see the Dynamic option, then your hardware doesn’t support DRR.) If you want to disable DRR and use a fixed refresh rate, you can select a ...

保护玩家免受市场盗窃和诱骗. 开发人员为 Xbox 网络制作了令人惊叹的游戏和内容。. 为了保护客户和开发人员，我们提供了在 Microsoft Store 中进行购买的安全方法。. 为了维护此安全性，Xbox 会监视 Xbox 社区中的市场盗窃或诱骗情况。. 欺诈会影响所有人，并且大 ...

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