了解如何兌換禮品卡、代碼或 Office 產品金鑰，以及如何在 Microsoft Store 線上、Windows 或 Xbox 上支付餘額。

Xbox Game Pass Core conversion ratio: Any remaining time will convert to Xbox Game Pass Ultimate time at a ratio of 2:1 and be rounded up to the next full day.For example, 90 days remaining of Xbox Game Pass Core will convert to 45 days of Xbox Game Pass Ultimate time.

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。

Learn all about the $1,000,000 (USD) Ultimate Giveaway. Terms apply.

请将 Microsoft 礼品卡对应的金额兑换到你的 Microsoft 帐户，然后在 Microsoft Store 购买商品。

Tip: You may sometimes hear security keys referred to as FIDO2 keys.FIDO stands for Fast IDentity Online and the standards are set and managed by the FIDO Alliance.

想要深入了解 Xbox 數位代碼或禮品卡，或您的代碼發生問題嗎？ 請繼續閱讀以了解更多資訊。

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

如果你购买了与你的 Microsoft 帐户区域不同的 Xbox 礼品卡或代码，请务必联系零售商或 aka.ms/contactxboxsupport。

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.