1. Go to the Pokemon Center in Slateport City.
2. Talk to the woman standing next to the lottery machine.
3. Choose the "Buy a ticket" option.
4. Select a set of six numbers between 1 and 49 for each drawing.
5. Confirm the purchase of the ticket.
6. The winning numbers for the lottery will be reset every day at 5:00 PM.
7. If your chosen numbers match the winning numbers, you will be notified and awarded the corresponding prize.
Remember, winning the lottery is a matter of chance, so there is no guaranteed way to win it every time.