I'm one of those Software Freedom nerds and I hated my experience with OSX Yosemite on an iMac back in 2016, so I can't really empathise, but I suppose you coul

I'm one of those Software Freedom nerds and I hated my experience with OSX Yosemite on an iMac back in 2016, so I can't really empathise, but I suppose you could always just give it a try and keep your older machine and if the MacBook doesn't work out for you, you can give it to One Laptop per Child.