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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
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.
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
Account has been locked - Microsoft Support
Troubleshooting verification code issues. Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.
Windows help and learning
Find help and how-to articles for Windows operating systems, including installation, updates, privacy, security and more.
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.
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.
退 | Xbox Support
處理退款要求. 您可以在下列網頁登入原先進行購買的帳戶,開始任何數位遊戲產品的退款要求程序。. 請告訴我們您要求退款的原因。. 我們會使用這些資訊來改善我們的產品和程序,期盼能盡量減少日後退款要求的需求。. 如果我們核准退款要求,您將會在您 ...
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.
- support.office.com
这些是在违反当地法律提供的保证、保障或条件的情况下您所能获得的唯一补偿。. 在当地法律所允许的范围内,如果您有任何依据用以索取损害补偿,您只能因直接损害从 MICROSOFT 获得赔偿且赔偿上限为购买该软件所支付的金额(如果您的软件是免费获取的,则 ...
| 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 ...
Troubleshooting verification code issues - Microsoft Support
There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.
Applies To: Microsoft account dashboard