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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
From the Microsoft 365 home page select Install apps. Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Account has been locked - Microsoft Support
Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.
| Xbox Support
如果在电脑上安装或更新游戏服务时遇到问题,或者你注意到电脑版 Xbox 应用启动时缺少内容,则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下,你可能无法运行游戏服务修复工具,除非你在电脑上以本地管理员身份登录。. 当 Windows ...
All about PC gaming with Xbox | Xbox Support
How to make PC games work better. Troubleshoot game audio or video issues on Windows. Troubleshoot gameplay, performance, and stability issues on a Windows device. How to get software and driver updates for Windows devices. Optimize available storage by customizing game installations.
Getting your Xbox device serviced | Xbox Support
Getting your Xbox device serviced. If you've registered your device, sign in at Device services to see the device’s warranty status. If it’s within warranty, repairs are free. If your device is out of warranty, you’ll be charged a repair fee. Sign in to your Microsoft account.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Change or update your email password - Microsoft Support
Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers. If your email account provider isn't listed, contact your admin or the email provider's help desk.
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows
Xbox One 0x803F9008 | Xbox Support
查看此处以了解我们当前正在跟踪的已知游戏问题,并了解可以对其执行的操作。. . 尝试在 Xbox One 上玩游戏时,你会看到以下错误代码:. 0x803F9008. 这意味着,你的 Xbox One 主机处于离线状态。.
Hotmail - Microsoft Support
如果您可以登入但遇到 Outlook.com 的問題,請檢查 服務狀態 。. 如果狀態不是顯示綠色,請等候該服務正常執行,然後再試一次。. Microsoft 會始終關注不常見的登入活動,以防其他人嘗試進入您的帳戶。. 如果您正在其他地方旅行或是使用新裝置,我們可能會要求 ...
Applies To: Outlook.com