I'm a shotput beginner should I glide or spin?

I've been doing shotput for the past 2 days and at first I really really sucked, but I think I'm getting it down pretty good with the half turn and transition into your power position to throw after my coach was helping and watching a bunch of pros on videos. I'm just stuck on whether I should focus on gliding or spin for the throw, I have a meet in 3 weeks and want to feel confident out there so what should I do? Also I've never done shotput before sooo do you have to glide or spin for it to count at a meet or can you just do a half turn from the center into the toeboard? Like it counts as long as you throw it right? Btw I got 26ft distance on the 12 pound shot.