What does everyone think about fortnite?

Have never played it before, but what makes this video game so interesting? Is it free, if so, can it be played on PC?

Yes it is free to play on pc. I don't like it that way though

So I played it myself earlier (a year ago) thought it was really cool with tasks and other game modes. Yes it's free you can play it on pc, ps4, xbox,… Personally, don't think it's good now. It got a lot of updates and stuff and just thought the "first" Fortnite was better.

So it's just fun, you can't explain it 😂 and you can play it on the Xbox, Playstation and Nintendo switch. (Is free)