tl;dr It works fine, except for features that naturally require an internet connection.
Compare to Windows 11, which cannot be installed without an internet connection, without resorting to hacks.
Compare to Windows 11, which cannot be installed without an internet connection, without resorting to hacks.
So the comment is correct: you can't install (specific versions of) Windows without internet.
Straightforward would be a small text-based link at the bottom saying "skip this step"...
Shift+F10 and the magic bypass command still work, though, but who knows for how long.