Windows 11 includes a built-in Reserved Storage feature that can quietly hold back several gigabytes of your system drive for updates and system caches — and, if you urgently need every last byte, you can temporarily disable it to reclaim that space.
Background: what Reserved Storage is and why...
disablereservedstorage
disk cleanup
disk space
dism
enable reservedstorage
feature updates
onedrive files on-demand
os drive
powershell
reservedstoragestorage optimization
storage sense
system volume
windows 11
windows updates
