Dont laugh about newbie`s.
GP4Master only works with v1.00 encrypted gp4.exe. So do following. Download TeT`s GP4Patcher. Its a tool that patches tool`s which are only working with v1.00 enc. exe files.
If you patched gp4master with that tool, you can use it with v1.2 gp4 enc. exe file.
Now its easy to use gp4master.
Open it, go to 3rd part of tool (the wad tool). Open the cars.wad file and extract it to a folder. Then put the new files in .../cars/ folder.
After that go to 3rd part of gp4master again (the wad tool) and go to "create wad from folder".
Then insert your extracted cars wad folder and insert the new cars.wad file.
For example (on my pc)
e:\cars
e:\cars.wad
Simple but hard to describe.
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