Start the game, then the trainer. Press the keys indicated in the trainer. The energy of the sands is used to slow enemies with the strike of the dagger of time and to slow down time.
Prince of Persia: The Sands of Time: Trainer (+7) [1.0.0.181] {Ded_Mazay1991} Free Download
True, time dilation in this part is somehow useless. It slows down the prince too.