This cumulative update for Windows 11, version 25H2 and 24H2 (KB5083769), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.

Sign-in options Usage Guidelines URL: Privacy Policy URL: ...

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

取得有關 Xbox Game Pass 的常見問題解答，包括方案差異、如何管理訂閱、遊戲可用性、家庭共享、多人遊戲存取及疑難排解提示。

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:

與 Xbox 社群保持聯繫! 查看您的朋友在做什麼、開始文字或語音交談，以及為多人遊戲尋找玩家。

Summary This out-of-band (OOB) update is offered to consumer devices that are not enrolled in the Extended Security Updates (ESU) program for Windows 10. This update is cumulative and includes security fixes and improvements from the October 14, 2025, security update (KB5066791), in addition to the following: This update addresses an issue in the Windows 10 Consumer Extended Security Update ...

Xbox 上的社交俱樂部到底發生了什麼事？ 自 2026 年 4 月起，Xbox 上的社交俱樂部將不再開放，且 Xbox 分頁中的俱樂部將從好友與社群匯報應用程式中移除。 玩家還能利用 Xbox 訊息、Xbox Discord、派對聊天和尋找群組等功能，保持聯繫並協調遊戲時段。