I didn't switch to Windows 10 till summer 2020. It is completely understandable for someone to hold off updating. I say "Update" instead of "Upgrade" because that would imply it is better which is not always the case. I would still rather use 7 because of how intrusive and clunky 10 is. (still using 7 on laptop tho). Update also means saying goodbye to certain software, some of which is no longer being updated for new OS's, which is not the funnest thing to do. ...or the best if you've got ongoing projects that rely on those things. Look at how some animation studio still use Softimage. That was discontinued ages ago. Good software is good software. If it works, why trash it for something that doesn't work as well?

I think there are ways to preserve an old os, but im not hacky enough to know how and don't feel like spending the time and money on it.

I'm just saying don't give people a hard time if they don't want to update. There are valid reason.

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My most recent Poser animation:
Previs Dummies 2