Reinstall Windows 11 using installation media What happens to data stored in other folders or drivesĪpps that didn't come with your PC are removed.

What happens to your personal data stored under \Users For more info, see How reserved storage works in Windows. 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 OS functions always have access to disk space.įor devices with reserved storage, a reset or reinstall will first use the reserved storage space before using other disk space.

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.