Check the Xbox services, games, and apps for any service outages.

需要有关 Fortnite（堡垒之夜）的帮助？查找指向 Fortnite（堡垒之夜）常见问题解答、Epic 帐户以及你的购买历史记录的链接。

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

在 Xbox 上进行购买时收到错误消息或错误代码？了解它们的含义。

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

获取将数字 Xbox 游戏作为礼物发送给他人时遇到的问题的帮助。

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

一次只能使用一个 Microsoft 帐户登录到 Windows 电脑版 Xbox 应用。 但是，你可以在不同的 Microsoft 帐户之间切换。

如果所购买的 Office 或 Microsoft 365 随附有产品密钥，请在你的产品所对应的下列网站中输入产品密钥。 输入密钥后，便可以下载并安装 Office，或可以续订 Microsoft 365 订阅。

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.