Step 1: Get your forza 3 gamesave onto your flashdrive
Step 2: plug flashdrive into computer and download horizon diamond, and usb xplorer
Step 3: open usb xplorer and click "content", then keep clicking the profiles as they pop up until you get to "forza profile"
Step 4: click forza profile then click extract, then choose desktop and save it there, then MINIMIZE usb xplorer
Step 5: open horizon
Step 6: scroll over in the top game bar until you get to forza motorsport 3
Step 7: click on it then click open, and click desktop and find your forza profile
Step 8: it should pop up with all your old credits and level and xp..MOD IT AT YOUR OWN RISK
Step 9: after your done modding it, click "Save", it will say "Saved, Rehashed and Resigned"
Step 10: close out of the little mod box, then close out of horizon itself
Step 11: Pull up usb xplorer again then delete your old profile
Step 12: Click inject and choose your forza profile on your desktop *there will be two one says Forzaprofile, the other says, Forzaprofile.bak Dont choose the .bak one
Step 13: after you have injected it close the program, then safely remove your device
** DOWNLOAD LINKS **
[ Register or Signin to view external links. ] USB xplorer
[ Register or Signin to view external links. ] HORIZON