An easy way is to download CSM, and use the inbuilt patch downloader.
When you install GP4, you set the compatibility for the exe and run it once. To do that you must have the cd in the drive, otherwise GP4 will not start. Then install the 9.6 official patch, again to run it requires the cd in the drive. Once you have installed the 9.6 patch, then you can apply the v1.02 NO_CD, which you can download from this site. Use the 'jump to' menu top right to access the downloads area. After applying the exe, you must again set the compatibility of the exe to WinXP SP2 or 3. In gpx_patch, set verbosity to high and cpu to 1.
If you uninstall, use CCCleaner to remove redundant registry entries, otherwise the patch installation will say it is already installed.
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www.mediafire.com] Some say you should click it, you know you want to.
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www.gp4central.com] <----GP4 Central