The initial step is to pick a slot machine that appeals to you. You must choose your bet amount after selecting a game, & you can typically change it by pressing buttons on the machslots 786ine or interface. Personalizing Your Gameplay. The number of paylines that players want to activate on the majority of slots can affect both the cost per spin and the possibility of winning combinations. You can start the spin by pulling a lever or pressing a button after placing your bet, depending on whether you're playing an online or physical slot machine.