Have a saved game file from Gran Turismo 3 or Gran Turismo 4: Prologue to start with extra credits and some of your previously earned licenses. Use the following steps to transfer your Gran Turismo 3 data to Gran Turismo 4. This must be done when you first start the game. It can not be done after you have already started and saved a game. Put a blank memory card into slot one and start Gran Turismo 4. When the message "Do you wish to create game data" appears, select "OK". When asked to name the save file, enter a name and select "OK". The message "Game data will now be created" will appear. It will then specify how big the save file is (1498 kb) and tell you what slot (slot one) it will be saved to. Select "OK". When the "Save successful" message appears, select "OK". The game will then tell you about its auto save feature. Select "OK". It then tells you about the flashing save icon. Select "OK". The game then tells you about not removing the memory card when the flashing save icon is flashing. Select "OK". Follow the next steps very carefully. The game tells that you can utilize a game save from Gran Turismo 3. It then asks if you would like to see details. Select "OK". You are told that you can transfer credits (up to 100,000). Select "OK". The game then tells you about updating the status of your licenses (A and B licenses). Select "OK". The game now tells you how to load the Gran Turismo 3 data. Read this carefully, then select "OK". You will be asked if you want to start the game. Select "Start". The loading screen appears, then the game brings you back to the main menu. Select "Gran Turismo mode", which is the second option down on the list. An arrow will appear on the "home icon". Press X to enter your home. At the top right of the screen, you will see the word "Status". Move the arrow over to it and press X. Take out the memory card that has the newly created Gran Turismo 4 data and insert the memory card that has your Gran Turismo 3 data stored on it. At the bottom of the status screen you will see (Square) return and (Start) transfer game data. Press Start, first making sure that your Gran Turismo 3 data in now in slot one. You will be asked if you want to transfer game data. Select "OK" Be careful, as you can only do it once. If you make a mistake, you will have to start from the beginning. A message stating that your licenses have been transferred will appear. Select "OK". You will be asked if you want to transfer credits. Select "OK". A message stating that your credits have been transferred will appear. Select "OK". Finally, you will notice in the top right corner that you now have 110,000 credit. Also, to the center left of the screen you will notice the A and B license icons have lit up.