If your hard drive is nearing full capacity, you can delete your Windows temporary files to gain space back again.
If you're not happy with the default Windows file manager, you're in luck because there are plenty of options that improve on the original.
XDA Developers on MSN
You can make any OS immutable with Proxmox, here's how I did it
That's it. Exit the file and save over the existing one, and you've got an immutable OS in that VM. When you boot it from now ...
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