Hi U570,
the "4-GB-Patch" is not a JSGME-ready mod, it is a a executable programm. Run 4gb_patch.exe, within this programm go to the root directory where your sh3.exe is located, select sh3.exe and execute. The programm willl give you an "sh3.exe.backup" which can be used in cases of malfunktion.
Greetings
rowi58
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