To win a progressive slot jackpot, all you need is a little bit of luck and a lot of determination. There is no secret formula for this.If you play any kind of slot game, there is never a guarantee that you will win, but if you play a progressive slot, the prize you take home if you do win could be quite substantial. Keep in mind that the more spins you participate in, the more opportunities there are for you to win those millions of dollars for yourself.