You can learn a lot about Linux by just trying different distros, but using Proxmox will force you to learn a lot of in-depth ...
If you can't upgrade to Windows 11, or don't like what you've seen of it, install Linux Mint instead. Here's how to make the switch to an open-source operating system and install apps.
Linux Mint vs. Zorin OS: I've tried both Windows alternatives, and here's my winner ...