How to refresh, reset, or restore your Windows 8.1 PC - Microsoft SupportSupport for Windows 8.1 has ended Support for Windows 8.1 ended on January 10, 2023. We recommend you move to a Windows 11 PC to continue to receive security updates from Microsoft. Learn more If you're having problems with your PC, you can: Refresh your PC to reinstall Windows and keep your personal files and settings. Refresh also keeps the apps that came with your PC and the apps you installed
インストールされたファイルを調査する(WindowsNT/2000/XP/Vista / ユーティリティ)
