One or more of these links may be useful:
https://www.tenforums.com/tutorials/83441-free-up-drive-space-windows-10-a.html
https://www.elevenforum.com/t/create-new-storage-pool-of-storage-spaces-in-windows-11.24010/
https://www.elevenforum.com/t/add-storage-space-to-storage-pool-in-windows-11.24047/
https://www.elevenforum.com/t/delete-storage-pool-of-storage-spaces-in-windows-11.24018/
https://www.elevenforum.com/t/run-storage-sense-now-in-windows-11.23477/