1Win offers an attractive welcome bonus for new players in Argentina. By registering and making a minimum deposit, users can receive a 500% bonus on their first deposits, up to $2,800. This bonus is spread across the first four deposits: 200% on the first, 150% on the second, 100% on the third, and 50% on the fourth. Additionally, 1Win provides a cashback of up to 30% on net losses from casino games, offering an extra chance to recover part of the losses. These promotions allow players to explore a wide range of games and increase their winning opportunities.