Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

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。

Explore the new and refreshed apps of Windows 11, from Photos to Microsoft Store. Watch the video and read tips to find tools to stay creative and productive, whether on your phone or on your PC.

Creating an online account usually involves entering your information into a form containing multiple fields, such as name, email address, date of birth, password, and more.

In Windows, having a camera and microphone as part of your device lets you make Teams video calls, take pictures, record videos, and more. Many apps and services request and use the camera or microphone, and Windows settings give you control over which apps can use your camera or microphone.

If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.

Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.

In addition to the File menu, you can turn this feature on or off right from the context menu of a One Drive or SharePoint-hosted Word, Excel, or PowerPoint document URL appearing in a Word, Excel, PowerPoint, or Outlook Windows application. The context menu also allows you to choose a one-time file open behavior for a specific link by using the Open With menu option.

在“我们需要验证你的身份”屏幕上，选择用于接收你的代码的安全联系方法（电子邮件地址或电话号码）。选择列出的选项以打开你为帐户设置的所有选项的下拉列表。 按照用于完成联系人电子邮件地址或电话号码的说明执行，然后选择“发送代码”。 在手机、电子邮件或验证器应用中检查安全 ...

If you need to edit the note, right-click the cell, and then click Edit Comment.If you're using Excel for Office 365, right-click the cell and choose Edit Note.. If you need to delete the note, right-click the cell and choose Delete Comment.If you're using Excel for Office 365, right-click the cell and choose Delete Note.