upgrade gp4

[John Lucky]

Hi ti everyone, how can i upgrade my GP4 to 2021 season? Wich tool i need? It's simple? Thanks

 

[jcgrj]

Hi John. There's a lot of videos on youtube about that.
The following link had some info and links to the program needed.

You must be registered for see links

In resume
- install GP4
- install GP4 patch 1.02 and no_CD patch
- install ZazTools