在任务栏上的搜索框中键入“regedit”，然后从结果列表中选择“注册表编辑器”（桌面应用）。 警告: 使用注册表编辑器时，请谨慎操作。如果注册表编辑不正确，可能会发生严重问题，这些问题可能需要完全重新安装操作系统，导致数据丢失。

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

To keep an area of a worksheet visible while you scroll to another area of the worksheet, go to the View tab, where you can Freeze Panes to lock specific rows and columns in place, or you can Split panes to create separate windows of the same worksheet.

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.

若要捕获视频截图，请打开“截图工具”，选择“ 录制 ”按钮，然后选择“ 新建录制”，或按 Windows 徽标键 + Shift + R。选择要录制的屏幕区域，然后选择“ 开始”。完成后，选择“ 停止”。此时，可以按原样保存录制内容，或在 Clipchamp 视频编辑器中选择“在 Clipchamp 中编辑 ”以使用录制内容。

Summary. This update automatically applies Safe OS Dynamic Update to the Windows Recovery Environment (WinRE) on a running PC to address a security vulnerability that could allow attackers to bypass BitLocker encryption by using WinRE.For more information, see CVE-2024-20666.

Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings.Select Settings > Network & internet.The status of your network connection will appear at the top.

To open the Start menu—which contains all your apps, settings, and files—do either of the following: On the left end of the taskbar, select the Start icon.

By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically generated verification code provided by an authenticator app or sent to your phone.

重新排列顯示器 Windows 偵測到多部顯示器時，您會看到此選項。 系統會將每部顯示器編號，以協助您更輕鬆地識別這些顯示器。 識別顯示器 若要查看與顯示器對應的是哪個數字，請選取 [開始]，然後搜尋設定。選取 [設定] > [系統] > [顯示器] > [識別]。顯示器的螢幕上會出現為其指派的對應編號。