Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

The display language you select changes the default language used by Windows features, such as Settings and File Explorer. Select Start > Settings > Time & Language > Language.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.

System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart your machine.

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.

Add or subtract months from a date with the EDATE function. You can use the EDATE function to quickly add or subtract months from a date.. The EDATE function requires two arguments: the start date and the number of months that you want to add or subtract. To subtract months, enter a negative number as the second argument.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

En la configuración rápida: Para buscar la configuración rápida de Bluetooth, selecciona los iconos de red, sonido o batería ( ) junto a la hora y fecha en el lado derecho de la barra de tareas.Selecciona Bluetooth para activarlo. Si está activada sin ningún dispositivo Bluetooth conectado, es posible que aparezca como No conectado . Si no ves Bluetooth en la configuración rápida, es ...

If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

When you click someone's name or picture in Outlook or other Office apps and services, you'll see their profile card with information about them. From their profile card, you can save them to your own contacts, for example if you want to add Notes or other information.