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

了解如何註冊您的 Xbox 產品，以便您要求和追蹤維修服務、查看您的保固服務，以及購買延長保修計劃。 還有取消註冊和取消 ...

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

了解為什麼無法從 Microsoft 帳戶移除付款方式。

This page provides support links for home users and support phone numbers for business users.

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

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.

You can only redeem a subscription code in the country where it was purchased. Find out more here.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

從 10 月 3 日開始，由於宏觀經濟環境的變化，我們將更新美國 Series S 和 Series X 遊戲機的建議零售商定價。