How to start a new game of Pokémon Sun or Pokémon Moon from the beginning.
Choose Your Language
When you first run the game, you will be prompted to choose the language that you want to play the game in. As the warning on the touch screen says, you can't change the language during the game. After you make your choice, you can choose Begin Game, or you can choose Select Language to go back and choose a different language.
Choose Your Photo
After you have a video chat with Professor Kukui, who tells you about the Alola region. Then you are asked to choose your photo for your Alola passport. There are eight to choose from. After you choose a photo, choose Yes to confirm your choice, or choose No to go back and choose a different one.
Enter Your Name
After you choose your photo, Professor Kukui asks you to spell your name. Tap the ↵ (Enter) key when you are done. Then you can choose Yes to confirm, or choose No to go back and change your name.
After this, there will be an intro video, then later, Meowth will wake you up. You can press X to open the menu, then choose Save to save the game.
When you are ready, leave your room. Answer Mom's question however you wish. Then go toward the door. Professor Kukui will come in. You moved here from the Kanto region, where Professor Kukui once tried to defeat the Kanto Gym Leaders.
Now he says you need to meet the island kahuna and get a pokémon. You can ask about pokémon, or the Kahuna. The island kahunas are strong pokémon trainers.
Your Mom says to go check the boxes in your room to get your hat and bag, and also check the Adventure Rules on your desk. So go through the upper-right door to go back to your room, check on your boxes, and check the book on your desk.
After the cut scene, go outside, then go to the left and approach Professor Kukui. Afterward, follow the path through Route 1 until you meet Professor Kukui again. He will take you to Iki Town.