win is the present form . won is the past and pat participle of the verb. all are correct. you will have to use them according to the tense of the sentence.Which one is correct, win or won ? - Quoraquora : ...bwin freerolla win-win situation or result is one that is good for everyone involved: This deal works for everyone. It's a win-win situation.WIN-WIN | definition in the Cambridge English Dictionarydictionary.cambridge : dictionary : english : win-winbwin freeroll como ganhar dinheiro jogando roleta