Yes. All the websites that offer free spin bonuses to win real cash prizes do so after you have a registered an account on their platform. They do so not only because theywant you to register and try their services, but also because they need to make sure you are legally allowed to gamble online.

Individual visits from 2PM onwards: admission to the first room is free. There you can gamble on the slot machines, but you can't take pictures. Admission to all the casino rooms costs 17 ( 14 groups). Card games and roulette are open.