To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store. Get the app.

Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.

若要在 Microsoft Edge 中还原丢失或删除的收藏夹，请执行以下操作：. 选择浏览器栏右上角的“ 收藏夹 ”图标，打开“ 收藏夹 ”菜单。. 还可以按 Ctrl + Shift + O 打开 “收藏夹 ”菜单。. 注意: 如果在浏览器栏中看不到 “收藏夹 ”图标，请选择 “设置”和“更多 ...

First, launch Windows Backup: select Start , type windows backup, and select Windows Backup from the results. (Or you can select Start > All apps > Windows Backup .) Then select Folders to drop it down, and select which of your user folders you want to back up to OneDrive: You can back up your Desktop, Documents, Pictures, Videos, and Music ...

If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.

Windows 10. When you connect a scanner to your device or add a new scanner to your home network, you can usually start scanning pictures and documents right away. If your scanner doesn't automatically install, here's some help to get things working. Select a section heading below to open it and see details on using your scanner:

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如果文件资源管理器不能打开或启动，进行修复. 注意: 文件资源管理器工具与 Microsoft Edge 不同。. 若要打开 Microsoft Edge，请在任务栏上的搜索框中键入 Microsoft Edge ，然后从结果中选择它。. 若要在Windows 11中打开文件资源管理器，请在任务栏上选择“文件资源 ...

Einrichten von zwei Monitoren auf Windows. Führen Sie die folgenden Schritte aus, um den PC für die Erkennung mehrerer Monitore einzurichten: Stellen Sie sicher, dass die Kabel ordnungsgemäß an die neuen Monitore angeschlossen sind, und drücken Sie Windows-Logo-Taste + P, um eine Anzeigeoption auszuwählen.

Change screen orientation. Windows 11 Windows 10. Windows 11 Windows 10. Select the Start button, then type settings. Select Settings > System > Display, and choose a screen orientation from the drop-down list next to Display orientation. Change screen orientation. Use the Settings app in Windows to change screen orientation.