I would honestly just move right on to Linux Mint. If they're familiar with Windows, they will be right at home with the Cinnamon DE. I'm really impressed with

I would honestly just move right on to Linux Mint. If they're familiar with Windows, they will be right at home with the Cinnamon DE. I'm really impressed with this distro and use it as my own daily driver. One of the few times where I do very little tweaking to get the UI/UX just right for my own preferences.