If you want to use other editors, you must have the decrypted GP4.exe. Also, you will not be a DJ anymore (you can play without the cd).

Grand Prix4 FAQ.

Correction makes the kerb on the exit of turn 7 behave like a
kerb instead of grass, and makes the green tarmac strip after the
last turn behave like tarmac instead of kerb.

It improves frame rates & PO%.
It has most things turned on & is very very good in wet conditions. I tested it on a Pentium 3 with 32 mg video and 256 Ram, and it works realy good.

REMEMBER TO BACK UP THE ORIGINAL FILE.

A decryted No-CD Patch for GP4 1.02 (9.6 patched).

Paul Boy sent me first the rong file (f1graphics), but now he send me the fixed one.

It improves frame rates & PO%. FOR Patch v 9.6 ONLY.
It has most things turned on & is very very good in wet conditions. I tested it on a Pentium 3 with 32 mg video and 256 Ram, and it works realy good.

REMEMBER TO BACK UP THE ORIGINAL FILE.