The GPxTrack module allows, as its name suggests, the use of custom tracks within the game, and enables easier swapping of the default track slots. (If you came here after following the 'Getting Started' guide, you'll already have this installed.) Composed of various modules, all of which can be enabled and disabled independently of one another, GPxPatch is easily the most important utility for the game.

GPxPatch All but necessary to run the game, has existed in some for another since 2001, and has supported GP4 since the game's release. Must Have Tools: Ranging from the necessary GPxPatch to the 'Makes for easier mod use and more' ZaZ tools, here is a selection of the more popular/useful tools for GP4. Solvusoft's close relationship with Microsoft as a Gold Certified Partner enables us to provide best-in-class software solutions that are optimized for performance on Windows operating systems. Solvusoft: Microsoft Gold Certified Company Recognized for best-in-class capabilities as an ISV (Independent Software Vendor) Solvusoft is recognized by Microsoft as a leading Independent Software Vendor, achieving the highest level of completence and excellence in software development. Your GP4 file analysis report will then be displayed directly below in this browser window. To begin your free file analysis, simply drag-and-drop your GP4 file inside the dotted lines below, or click 'Browse My Computer' and select your file. Our patent-pending algorithm quickly analyzes your file, and within moments, presents this information to you in an elegant, easy-to-read format.† In seconds, you will learn exactly what type of GP4 file you have, the software program associated with your file, the publisher who created it, its security safety status, and a variety of other useful information. The revolutionary GP4 File Analysis Tool™ scans, analyzes, and reports back every detail about your GP4 file.

Gp4 edit