必填： 旧 Windows 版本的更新需要安装 SHA-2 代码签名支持。 (KB4493730 和 KB4474419) 年 4 月和 5 月发布的支持是必需的，才能继续接收这些版本的 Windows 的更新。 目前，所有旧版 Windows 更新签名都从 SHA1 和双 (SHA-1/SHA-2) 更改为 SHA-2。 Windows Server 2008 SP2. 2019 年 7 月 16 日

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

执行的操作. 按. 展开组。 输入键或向右键. 折叠组。 输入键或向左键. 选择上一组。 向上键. 选择下一组。 向下键. 选择日程表上的第一个组。 主页. 选择日程表上的最后一个组。 End. 在展开的组中，选择屏幕上或屏幕外的右边第一个项目。 向右键

To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:

Microsoft 365 for business If your business subscription plan includes the desktop version of the Microsoft 365 apps you won't see an option to install it unless someone in your organization assigned a license to you.. Learn how to check this in What Microsoft 365 business product or license do I have? or if you're a Microsoft 365 admin responsible for assigning licenses to people in your ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

Notas: Tu contraseña de Hotmail o Outlook.com es la misma que la contraseña de tu cuenta de Microsoft. Si puedes iniciar sesión pero tienes problemas con Outlook.com, comprueba el estado del servicio.Si el estado no se muestra de color verde, espera a que el servicio funcione con normalidad y vuelve a intentarlo.