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Or go to windows hyper-v manager, and click install Ubuntu image. And you’re done!

(Ok, expanding the memory to a decent size is a little more work)

If you're ok with virtualized Ubuntu rather than native, it's just as easy to install on the Mac: https://multipass.run/

I've somehow never heard of multipass.run before. It looks very similar to Vagrant though. Is there any reason to choose this over Vagrant?

Yes, VMs are a thing, I think we all know that