I made my C partition 100GB thinking that i wouldn't need more than that for my windows and users folder, but it turns out that most of the time i am struggling to keep the 10% needed for the windows to function properly. Now while my User folder takes 18GB which is reasonable my Windows folder...
c partition
data management
disk cleanup
disk space
file properties
file size
folder
hidden folders
maintenance
optimization
spaceusage
storage
system files
troubleshooting
user folder
windows
windows 10
windows 11
windows files
winsxs