Here’s a natural rewrite with all the original conditions preserved:

Enter the bonus code at the cashier to claim the offer.

Bonus not available in: India, France, Germany, United Kingdom, Netherlands, Belgium, Switzerland, Costa Rica, Curacao

Get an extra 6 free spins when you deposit $10.

There are no wagering requirements, so you can access and use your winnings freely.

There is no maximum cashout limit on this offer.

Good luck!