Learn how to download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Find out the system requirements, product keys, activation steps, and troubleshooting tips.

Learn about the features, enhancements, and known issues of Windows 11, version 24H2, the latest feature update for Windows 11. Find out how to install the update and troubleshoot any problems.

Learn how to fix common problems with verification codes for Microsoft account sign-in. Find out how to use passwordless solutions, update security info, or contact support.

Learn how to add, manage, and use verification codes to sign in to your Microsoft account. Find out how to get codes via email, phone, app, or passkey, and how to troubleshoot common issues.

Password Monitor helps protect your online accounts by informing you when any of your passwords have been compromised. Learn how to turn on, scan, and respond to alerts for unsafe passwords in Microsoft Edge.

Learn how to play Xbox games on your Windows device, use PC Game Pass, troubleshoot game installations, and more. Find out how to connect your Xbox Wireless Controller, use cloud gaming, and optimize your PC gaming experience.

Find help and how-to articles for Windows operating systems, including Windows 11 and Windows 10. Learn about installation, updates, drivers, security, troubleshooting and more.

Learn about the next-generation Xbox consoles, how to set them up, and how to use their advanced features. Find answers to common questions and issues, and get help with hardware and networking.

提示: 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。 或者，選取 [不要再顯示這個] 方塊，然後選取 [否]，這樣每次都會提示您輸入密碼。. 如果您無法登入或忘記您的使用者名稱或密碼，請使用我們的 [登入疑難排解員]。

我可以重新分发语言包吗？ 如果你代表政府或政府机关、政府隶属机关或政府扶持的文化或语言委员会或机构，或认可的教育机构，你可以按原样将从 Microsoft 收到的包重新分发给具有有效软件许可的用户。