These links are for Windows 10 and 11.
Some of the steps may be applicable to Windows server.
Treesize can be used during the analysis and uninstalled after it has completed.
https://www.tenforums.com/tutorials/83441-free-up-drive-space-windows-10-a.html
The best option is to make free backup images > replace the disk drive > restore an image on a larger disk drive.
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