Windows 10: Disk Clean-up doesn't free up the stated space after cleaning "system files" Windows Update...

Hi there!System info:- "Fresh" Windows Pro x64 21H1 installed about a week ago within Media Creation tool- only few drivers & software installed- SSD disk preliminarily cleaned to be as a new oneProblem:After some recent Windows updates I've decided to check whether I can free up some System disk space using "Windows Update Clean-up". The Disk Clean-up tool stated that I can free up to 2.7GB of these files. But after the cleaning process was finished and I restarted PC I got only +1GB of space. And btw the cleaning process was finished without any errors indication.Extra:I've tried to

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Disk space.

Could be the Windows Update Stores files, .old files, shadow copies, etc.

Try running Windows disk clean up with the "Clean up System Files" option.

Delete files using Disk Cleanup <-- Be sure to check out the section at the bottom "To clean up all files on the computer".

How do I remove the Windows.old folder?

The 10 Best Free Tools to Analyze Hard Drive Space on Your Windows PC

 

disk clean up - clean up system files

i used clean up system files in disk clean up in windows 10.

it showed to clean up around 27 gb of previous windows i.e. windows 7.

when i selected to delete files related to previous windows, instead of freeing up more space in my C: drive, it eats up approx 20 gb more. now i m facing more problems regarding memory space and system also started to lag frequently.

i also opted for system recovery but no use.

please advice how can i free that 20 gb (approx) space that i lost during system clean up process.

 

Not getting back space even after disk clean up and ccleaner

I clean everything except old window files but still not getting back space, btw anyway to clean those unwanted update file? I remember Window 7 does not have space problem like this at all..