Some sites are built to work with Internet Explorer and have functionality that isn't supported by modern browsers such as Microsoft Edge. If you need to view one of these sites, you can use Internet Explorer Mode in Microsoft Edge.

To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

Microsoft Project 支持的文件格式。 使用此信息了解如何打开和查看项目的以前版本。 Project 可以按以下文件格式打开和保存文件。 某些格式允许保存项目中所有信息，而某些格式只允许保存 Project 域中包含的数据。

To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.

注意: 如有必要，请选择“其他登录 方式” ，然后选择“批准 Microsoft Authenticator 应用上的请求”。 系统将提示 你检查 Authenticator 应用，并且可能还会显示一个数字。 在移动设备上，打开 Authenticator，或点击 ...

选择要登录 的帐户。 在 Windows 中卸载或删除应用和程序 Windows 10 更多... 更少 可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。 如果程序无法正常 ...

当你登录到你的 Microsoft 帐户时，我们可能会要求提供其他证明，证明确实是你的帐户。 最多可以添加 10 种不同的方法来验证登录，并且可以选择： 电子邮件地址或电话号码。 它不一定是你的 - 如果你希望使用它来验证你的帐户，你只需要能够访问它。

Important: The following steps apply only to devices currently running an activated copy of Windows 11 Home.If you’re not activated, we recommend you activate Windows 11 Home first. For more info, see Activate Windows.