I did the same with my parents-in-law. The best thing with mint is it has very similar interface to windows (they were using windows XP previously). So I didn't

I did the same with my parents-in-law. The best thing with mint is it has very similar interface to windows (they were using windows XP previously). So I didn't need to explain anything, the icons just became green, chrome icon became blue and Firefox icon was the same. And nowadays they can even play some of my (even windows only) steam games like zuma or peggle deluxe. When I meet them I do an upgrade and that's it.