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

Upgrading to Game Pass Ultimate When you upgrade to Xbox Game Pass Ultimate, we'll convert any prepaid time you have on Xbox Game Pass or EA Play subscriptions and apply it toward Xbox Game Pass Ultimate at the current conversion ratio, up to a maximum of 36 months.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Xbox 已與 NVIDIA GeForce NOW 和 Boosteroid 合作，將第一方遊戲提供給更多玩家。 如果您在 Steam 上擁有受支援的 Xbox 遊戲，並擁有其中一個串流服務的帳戶，您隨時隨地都可以在雲端中玩您的遊戲。 只要確保您將 Steam 帳戶連結至 NVIDIA GeForce NOW 或 Boosteroid 即可。

联系 Microsoft 支持人员。查找常见问题的解决方案，或从支持专员那里获取帮助。

了解如何要求更換 Xbox 控制器。 如果您的控制器無法正常運作，並且需要更換，請在此頁面底部輸入控制器序號。 您可以在電池槽內側的條碼下方找到控制器序號。 注意事項：

Windows uses Delivery Optimization, a cloud-based downloader, to download Windows Updates, apps from the Store, and other Microsoft products. To get these files onto your PC quickly and reliably, Delivery Optimization identifies the best source for your download and dynamically optimizes how much bandwidth your PC uses in the process. As always, you decide whether you want Delivery ...

Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.

使用本文来查明到期状态。 下面介绍如何检查Microsoft 365 订阅何时过期。 检查到期状态 转到 “订阅” 页。 如果出现提示，请选择“ 登录 ”，然后输入与Microsoft 365 订阅关联的Microsoft帐户电子邮件和密码。 查看 “服务 & 订阅 ”标题下的详细信息。 如果看到圆圈箭头，那么订阅设置为周期性帐单 ...

例如，某些 Xbox 订阅可以通过兑换数字代码或礼品卡来延期，最长延期限制如下：