Notes: Reinstalling Windows 11 using installation media while choosing to ‘Keep nothing’ (a clean install) will automatically enable reserved storage if the partition you reinstall Windows to is 20GB or larger. Reserved storage sets aside disk space to be used by updates, apps, temporary files, and system caches, thus improving the day-to-day function of your PC by ensuring that critical ...

注: 問題で Windows を起動できない場合は、この記事の手順に従うことはできません。 デバイスが数回再起動しようとすると、Windows 回復オプションが表示されます。このオプションを使用して問題の解決を試みることができます。

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

To reset your PC. Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings. (If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, click Settings, and then click Change PC settings .) Tap or click Update and recovery, and then tap or click Recovery.

Disk cleanup in Windows. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of. To get a description of the file type, select it.

Upgrade to Windows 10: FAQ. Windows 10 Windows 7 Windows 8.1. An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

If you’re upgrading from Windows 10, we recommend you wait until you're notified through Windows Update that the upgrade is ready for your device. ... c. Clean Install will install Windows 11 and keep nothing from the Windows 10 installation. ... Boot from media to launch Setup. This path is a clean install and will not retain previous files ...

The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t. 1. Make sure you have the latest updates for Windows and device drivers. 2. Restart your PC and open only the apps you need. 3. Use ReadyBoost to help improve performance. 4. Make sure the system is managing the page ...

To check the total disk space left on your Windows 11 device, select File Explorer from the taskbar, and then select This PC on the left. The available space on your drive will appear under Devices and drives. Note: If you follow the steps below and continue to have trouble updating Windows because of low disk space, resetting or reinstalling ...

Open your Windows Security settings. Select Virus & threat protection > Protection history. The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.