了解如何使用產品金鑰或數位授權啟用 Windows、檢查您的啟用狀態，以及連結您的 Microsoft 帳戶。 若要連結您的 Microsoft 帳戶，請依照下列指示進行： 以系統管理員身分登入，新增您的 Microsoft 帳戶。

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

Find out how to use your gift card or code for Microsoft products and services, such as Windows, Xbox, or Office.

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

使用產品金鑰啟用 Windows. 產品金鑰是 25 個字元的程式碼，看起來像這樣：. 產品金鑰：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 在安裝期間，系統會要求輸入產品金鑰。. 或者，安裝之後，若要輸入產品金鑰，請選取 [ 開始 ] 按鈕， 然後選 取 [設定 > 系統 > 啟 用 > 更新產品金鑰 ...

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

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