

KDE Plasma offers a UI similar to Windows out of the box, I would say that’s a good start. Introduce them to the endless customisation options and they might start to dig it. Maybe take a distro aimed at gaming like Bazzite.
Other good options inlcude OpenSUSE or Linux Mint, the latter with another, but also similar feeling desktop.
Although caution is advised, this is a slippery slope to becoming a programmer.
*The only, kinda