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If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

Important: you should limit the number of administrators on your Windows device because administrators have complete control over the system.Administrators can change settings, install software, and access all files. If too many people have this level of access, it could lead to security risks like malware installation or unwanted changes to your system.

Windows 11 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode.

Erfahren Sie, wie Sie Treiber in Windows aktualisieren, indem Sie den Geräte-Manager verwenden, um einen Treiber zu aktualisieren oder neu zu installieren.

After you create your drop-down list, make sure it works the way you want. For example, you might want to check to see if Change the column width and row height to show all your entries.. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.

Hardwareprobleme können durch veraltete oder fehlerhafte Treiber verursacht werden. Stellen Sie sicher, dass der Audiotreiber auf dem neuesten Stand ist, und aktualisieren Sie ihn bei Bedarf.

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Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Troubleshoot password issues when adding an account in new Outlook Forgot your password. If you forgot the password for a Microsoft account, use our sign-in helper to get back into your account, or see Reset a forgotten Microsoft account password.. If you forgot your password for a work or school account, see Reset your work or school password using security info.