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

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

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。

Download Microsoft Authenticator Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password.

玩家代號系統詳細數據 如果這是您第一次變更玩家代號，您可以免費變更一次。 不論您第一次註冊 Xbox 時，我們是否自動為您建立 Xbox， (表示您並未自行) 選擇它，或是在註冊時建立自己的玩家代號。

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

Find help managing Xbox subscriptions, resolving billing issues, and accessing related support resources.

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

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