Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To:
Microsoft account dashboard
Windows Update Troubleshooter - Microsoft Support
If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.
I can't sign in to my Microsoft account - Microsoft Support
Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
All about PC gaming with Xbox | Xbox Support
Games and apps. All about the Xbox app for Windows. Minecraft. How to install or uninstall a PC game. PC Game Pass FAQ. Get to know Game Bar on Windows. Game-specific help for Windows 10/11. Cross-network play on Windows devices and Xbox consoles. How to use cloud gaming.
透過 Microsoft Rewards 獲得點數 | Xbox Support
透過 Microsoft Rewards 獲得點數. 做您每天都在做的事，就可以獲得獎勵點數。. 既輕鬆又免費。. 您所要做的只是註冊，Microsoft Rewards 就會包含在您的 Microsoft 帳戶中：. Microsoft Rewards. 註冊之後，請登入 Microsoft 帳戶來查看您目前的點數。. 您也可以在 Bing.com 上的 ...
Xbox 设备暂停和禁用 | Xbox Support
关于设备暂停. 设备暂停可能包括临时撤销主机上的权限（如通信或多人游戏），而设备禁用会永久阻止 Xbox 主机或设备访问 Xbox 网络。. 设备强制操作适用于设备，而不是特定的 Xbox 档案。. 这意味着没有人可以使用受影响的主机或设备连接到 Xbox 服务，但你的 ...
Give your PC a Fresh Start - Microsoft Support
Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.
Avoid and report Microsoft technical support scams
Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.
如何兑换礼品卡和代码 | Xbox Support
兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...
Recovery options in Windows - Microsoft Support
Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.