了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn how to change the email address or phone number that’s associated with your Microsoft account.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

Learn what you can do if you're not receiving account aign-in verification codes.

Find everything you need to manage your Xbox account, profile, and more.

Learn how to install printer drivers manually for Windows 11.

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

Sign in to account.microsoft.com, then select Order History on your Rewards page.