It looks to me that none of you really won anything. They show you big wins only to lurk you to deposit money that they will run away with. This is very popular scamming tactics
There was a similar discussion around here some time ago
I'm not sure if it was about Jetwin or similar fraud, but you could easily "win" a few thousand dollars but you you couldn't withdraw your winnings, indeed. The best way to act is to forget about your "winnings" as they are not