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.

Learn how to update your device at update Windows. Use the Activation troubleshooter to resolve simple errors. For more info, see Try the Activation troubleshooter below. If you're still getting an error, check the list of error codes below and follow the suggested steps to resolve it.

Use voice typing to talk instead of type on your PC. With voice typing, you can enter text on your PC by speaking. Voice typing uses online speech recognition, which is powered by Azure Speech services.

In the meantime, sign in to your account to see your latest refund request status. Redeem gift cards and codes to make Xbox purchases and extend your Xbox subscriptions. Codes are 25 characters long, include both numbers and letters, and follow a 5x5 format—five blocks of five characters.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 to add additional display, help, and proofing tools to Microsoft 365.

If you receive an error code and none of the steps below help, see Get help with Windows activation errors . For more info about activation, see Activate Windows. For help with your product key, see Find your Windows product key. If the troubleshooter is unable to fix your issue, contact support.

选择下面的 Microsoft 365 版本，了解如何激活 Microsoft 365。. 激活 Microsoft 365 或非订阅版本的 Office. 激活预安装在新 Windows 设备上的 Office. 激活新 Windows 设备上包含的 Office 购买或产品/服务. 从 Microsoft 工作区折扣计划激活 Office. 激活一个全新的 Office 产品密钥. 解决 ...

首先需要查看 Windows 11 是否已激活并链接到你的 Microsoft 帐户。. 将 Microsoft 帐户链接到设备上的 Windows 11 许可证是至关重要的。. 通过将 Microsoft 帐户与数字许可证链接，可以在进行重大硬件更改时使用“激活”疑难解答程序重新激活 Windows。.

รหัสผ่าน Hotmail หรือ Outlook.com ของคุณเหมือนกับรหัสผ่านบัญชี Microsoft ของคุณ. ถ้าคุณสามารถลงชื่อเข้าใช้ได้ แต่มีปัญหากับ Outlook.com ให้ตรวจสอบ ...

在“ 产品信息 ”下，你将看到你的 Office 产品名，在某些情况下，还可看到完整的版本号。. 1 - 产品名 ，例如 Microsoft 365 专业增强版或 Office 家庭和学生版。. 2 - 版本号 ，其中包括版本、 内部版本号和如“即点即用”或 Windows 应用商店等安装类型。. 有关详细 ...