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Register or unregister your Xbox device | Xbox Support
Learn how to register your Xbox product so that you can request and track repairs, check your warranty service, and buy an extended service plan. There’s also info on unregistering and unlinking your device.
About Genuine Windows - Microsoft Support
There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.
新 Outlook 和经典 Outlook for Windows 功能比较 - Microsoft 支持
我们正在积极听取你的反馈,并将根据你告诉我们的内容更新和更改功能路线图。 如果你有关于我们应该考虑将哪些内容添加到新 Outlook 的反馈,请使用应用内 帮助 > “提供反馈” 链接。. 功能比较
Applies To: Outlook for Microsoft 365, New Outlook for Windows
如何安装最新版本的 DirectX - Microsoft 支持
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动此程序,因为计算机中丢失 d3dx9_35.dll。
Check your Microsoft warranty and create service orders
Registering your Microsoft device. Before you can check your warranty or get service, you may need register your Surface or Xbox to your account.
Digital Game Purchase Refund Terms | Xbox Support
These Digital Game Purchase Refund Terms cover Microsoft Store’s digital game offers, Xbox apps (excluding movies and tv apps), digital gaming bundle offers, and digital durable and consumable gaming offers, such as game season passes, virtual currency, and microtransactions, whether made available through the Xbox console device or on your PC (collectively “Digital Game Products”) only.
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
Resolving Blue Screen errors in Windows - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
获取 Windows 升级和安装错误的帮助 - Microsoft 支持
若要升级到 Windows 11,需要硬盘上有足够的空间进行安装。 若要查看计算机上可用的硬盘空间,请选择任务栏上的"文件资源管理器 (在Windows 7) 中称为Windows资源管理器,或按Windows徽标键 + E。. 然后,选择“计算机”或“这台电脑”,并在“硬盘驱动器”或“设备和驱动器”下进行查看。
啟用 Windows - Microsoft Support
若要連結您的 Microsoft 帳戶,請依照下列指示進行: 以系統管理員身分登入,新增您的 Microsoft 帳戶。 若要確認您使用的是系統管理員帳戶,請選取 [開始] 按鈕,然後選 取 [設定 >帳戶 >您的資訊] 。在您的名稱底下,您會看到 系統管理員 。 如果您不是系統管理員,請參閱 建立本機使用者帳戶或 ...