How to free up storage on Windows 11 without deleting personal files

[GhostRider89]

My Windows 11 laptop says storage is almost full but I don't want to delete any of my actual files, what's the best way to clear space?

[Totally]

Where should I look first?
Settings, System, Storage, then click Temporary files. This shows exactly what's actually safe to remove, cached updates, old Windows installations, temp files, and your Recycle Bin, all in one place

Is it safe to delete Windows Update Cleanup files?
Yes, these are leftover files from previous updates that Windows keeps in case you need to roll back, and on most systems they can be several gigabytes with zero downside to removing them

What about that Previous Windows installation folder?
Safe to delete if it's been more than about 10 days since you upgraded and everything's working fine, that folder alone can be 15 to 20GB on some machines

Will Storage Sense keep doing this automatically?
Yes, turning on Storage Sense under the same Storage menu lets Windows automatically clear temporary files and empty the Recycle Bin on a schedule you set, so you don't have to remember to do this manually again

What if that's still not enough space?
Check Settings, Apps, and sort by size, a surprising amount of freed space usually comes from one or two apps you installed once and forgot about rather than your actual personal files

[Solo Lantern]

Quick version
- Settings > System > Storage > Temporary files, this alone usually frees several GB
- Delete the Previous Windows installation folder if it's been over 10 days
- Turn on Storage Sense so this doesn't creep up again
- Sort installed apps by size before assuming you need to touch personal files at all