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.

Note: If you can't change the Camera access setting, you'll need an administrator on the device to turn it on for you. Allow access to the camera on this device. Make sure Let apps access your camera is turned on. This setting allows you to choose if any of your apps can access the camera. It doesn't set which specific apps can access the camera.

Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

Hinweise: Ihr Hotmail- oder Outlook.com-Kennwort entspricht dem Kennwort Ihres Microsoft-Kontos. Wenn Sie sich anmelden können, aber Probleme mit Outlook.com haben, überprüfen Sie den Dienststatus.Wenn der Status nicht grün ist, warten Sie, bis der Dienst normal ausgeführt wird, und versuchen Sie es erneut.

If your scanner isn't in the list, select The printer that I want isn't listed, and then follow the instructions to add it manually. Notes: If you use wireless access points, extenders or multiple wireless routers with separate SSIDs, you'll need to ensure that you're connected to the same network as the scanner for your PC to find and install it.

トレーニング: Microsoft の個人、職場または学校のアカウントで Office.com にサインインします。 その方法については、このビデオをご覧ください。

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。