Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once.

To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a product key from a new product key card.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

兌換數位代碼. 所有 Xbox 數位代碼的長度都是 25 個字元，包含數字和英文字母，且格式為五個字元一組，共五組 (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx)。. 如果您嘗試在 Windows 或 Xbox 裝置上兌換代碼，請確定您輸入的所有 25 個數字都正確。. 若要深入了解 Xbox 禮品卡和代碼，請 ...

如何兌換禮品卡和代碼. 兌換禮品卡與代碼，以購買 Xbox 並擴充您的 Xbox 訂閱。. 代碼的長度為 25 個字元 (包含數字和英文字母)，並採用 5x5 格式，即以五個字元為一組，共五組。. 代碼可以是您向 Microsoft 或信任的零售商購買的數位或實體卡片。. 如果您的帳戶有 ...

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

Cloud gaming on third-party services. Learn about cloud gaming on Xbox using your Android, iOS, or Windows device.

這是您要用來依照以下步驟安裝 Microsoft 365 的帳戶。. 如果您需要先解除安裝 Microsoft 365，請參閱 從電腦解除安裝 Office 或 解除安裝 Mac 版 Office. 附註: 如果您是透過下列其中一種方式取得 Microsoft 365，安裝 2019、2016 或 2013 版本的 Office 專業增強版 、 Office 標準版 ...

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

選取上方 [PC] 或 [Mac] 索引標籤上的步驟 2 和 3，以協助您進行其餘安裝過程。. 如果貴組織使用的是中國由 21Vianet 營運的 Microsoft 365，請從 https://portal.partner.microsoftonline.cn/OLS/MySoftware.aspx 登入 Microsoft 365 軟體頁面。. 如果您在 Microsoft 365 軟體頁面上還是看不到安裝 ...