What could be the best way to introduce the world of computers to a kid, let’s say of 6 years old, so that he learns to handle it like a toy and stops dreading it like some esoteric, arcane and recondite machine from some eldritch, enigmatic, cryptic and phantasmal world ?


Games have hooked a lot of people.
Maybe try a progression over time, like:
In the latter category, this one looks promising:
https://store.steampowered.com/app/736260/Baba_Is_You/