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

了解 Xbox Game Pass Ultimate、Premium、Essential 和 PC Game Pass 訂閱提供的專屬遊戲內內容、特殊優惠和合作夥伴權益。

Learn how to set an out of office status message in the Teams mobile app using our step-by-step guide. It's a great way to let your colleagues know your availability.

Xbox 免費遊戲日是 Xbox Game Pass Ultimate、進階版和基礎版訂閱者所獨享。 透過 Xbox 免費遊戲日，您可以免費遊玩精選、完整功能的、熱門的遊戲。

Disk Management in Windows helps you perform advanced storage tasks like initializing a new drive and extending or shrinking volumes.

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。

Learn how to recover deleted items, such as email, contacts, calendar appointments, and tasks in Outlook.

瞭解如何在 Android、Apple、Windows 裝置上，以及 Xbox 主機和智慧型手機電視上使用 Xbox 雲端遊戲。

Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

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