Ubuntu will have a “Long Term Support” release out in April. That means Mint will have one shortly after that.
It is supposed to have the Linux 4.4 kernel and I guess a lot of other things will be updated too. I will probably stay on Win7 until then, but I expect to quit Windows for good when support for that ends (Jan 13,2020).
Good luck then, mate. :) Always glad to see another decide to go the Linux route.
Cheers!