Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Summary Time, date, time zone, and daylight-saving time settings can be configured in the Settings app in Windows. To set these settings in Windows, select the desired task from the following list:

了解如何管理 Xbox 訂閱及解決帳單問題，獲取詳細資訊以輕鬆處理相關事務。

获取与管理你的 Xbox 订阅、帐单问题等有关的详细信息。

Known issues in this update For the most up-to-date information about known issues for Windows 11, version 25H2, go to the Windows release health dashboard.

Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的操作方法文章、视频和培训。

降级订阅： Game Pass Ultimate 和 Game Pass Premium 可以降级到较低级别的订阅。 降级时，不会立即收费。 你当前的订阅将持续到下一个续订日期，然后变更为新订阅等级，并在该日期收取新订阅费用。

To learn about digital signatures (also known as digital ID), what they can be used for, and how to use them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel (desktop) In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Add a Signature Line in the Text group. In the ...

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