Some of my friends and classmates got home computers in the late 80s. Before that I had been playing games on arcades and a console. I was immediately hooked. My first computer was a Commodore 64. It was amazing. I played games like Commando, Rambo - First Blood, Ikari Warriors, International Karate, IK+, The Way Of The Exploding Fist, Double Dragon, The Last Ninja (1,2,3), Arkanoid, The Great Giana Sisters, Kung Fu Master, Bubble Bobble, Robocop, Barbarian, ...
Then I started dreaming about making my own games. I co-wrote a couple of simple games with a friend: one were you had to blow and suck falling drops of assorted beverages into their corresponding glasses. And another which was a sort of Pink Panther kung fu game. This latter one was never completed as we ran out of memory.
And then demos became a thing, and I was involved in that. I suppose most people today have no idea what the demo scene is/was.
Many of my peers replaced their C64s with the Commodore Amiga, which was also an amazing computer, but at the time it seemed like treason to me. So I stubbornly stuck with the C64 for years, until finally there was a good alternative to the Amiga, namely the 386 with VGA video cards which could do 640 x 480 in 16 colors or 320 x 200 in an incredible 256 colours. So I got a 25 MHz 386 in around 1992. I was still involved in playing and writing games, and the demoscene for years after that. I used MS DOS and hated Windows from the minute I saw it.
After I started university in 95, I gradually got hooked on Linux, and of course the Internet.