Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

We won't use or give out the phone number, and the code sent to it will expire after 10 minutes. This means you could use a friend or work colleague's phone without compromising your account security. The quickest way to get your account unlocked is by requesting and entering a security code online. If you haven’t tried unlocking your account ...

If your touchpad isn’t working, it may be a result of a missing or out-of-date driver. Updating or reinstalling your touchpad drivers in Device Manager may help solve the problem. To open Device Manager, enter device manager in Search on the taskbar, then select Device Manager .

If that doesn’t work, you can try repairing it. When you’re done, you might need to restart your computer. Windows 10 Windows 11. The steps to access the repair tool vary depending on your operating system. Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu.

Geben Sie im Suchfeld neben der Schaltfläche Start auf der Taskleiste Systemsteuerung ein. Wählen Sie in der Ergebnisliste Systemsteuerung aus.

If you don't see the deleted messages you want to recover, they have probably been permanently removed from the Deleted Items folder or Junk Email folder. We don't recommend that you use either of these folders to store your messages. If you want to store your messages in folders other than your Inbox, see Working with message folders.

注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。 保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...

Select Start > Settings > Personalization.The preview window gives you a sneak peek of your changes as you make them. In Personalize your background, you can select a picture, a solid color, or a slideshow of pictures you create.Or you can choose Windows spotlight to see a new image from around the world every day.

If you don’t see one of the network icons (or a similar one) shown in the following image, select the Up arrow to see if it appears there. Choose the Wi-Fi network you want, then select Connect . Type the network password, and then select Next .