Learn how to request refunds for Xbox purchases, including eligibility requirements and the process for submitting a refund request.

Need help with an Xbox console, an Xbox game or Xbox network? Find out how to get in touch with us.

Windows 產品金鑰是用來啟用 Windows 的 25 個字元代碼。 看起來像這樣： 產品金鑰：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX 找到你的 Windows 10 或 Windows 11 產品金鑰 根據你取得 Windows 10 或 Windows 11 的方式，你需要 25 字元的產品金鑰或數位授權來啟用。 數位授權是一種在 Windows 10 和 Windows 11 中啟用的方法，不需要輸入 ...

Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.

在 Xbox 購買時會跳出錯誤訊息或錯誤代碼，或是對在 Xbox 上使用 VPN 有疑問？ 了解它們代表的意義。

If you see error 0x80073d25, try restarting your device with only one account signed in. Find more solutions here.

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

Find all release notes for the Xbox Update Preview Omega ring here.

需要 Xbox 主機、Xbox 遊戲或 Xbox 網路的協助嗎? 了解如何與我們連絡。

This article provides the latest information and status for known issues in Windows or Microsoft Intune related to Secure Boot certificates. For problems deploying Secure Boot certificates that are not caused by known issues in Windows or Microsoft Intune, please refer to the Secure Boot troubleshooting guide. In this article Known issues when deploying Secure Boot certificates Secure Boot ...