F1 2020 How to modify teams livery? (not My Team)

[CraZy_MaN]

How do you modify the default team livery (mercedes, ferrari, red bull, etc.). I've tried editing the decal.tif file, but it just ruin the livery.

 

[Steven Poirier]

How do you modify the default team livery (mercedes, ferrari, red bull, etc.). I've tried editing the decal.tif file, but it just ruin the livery.

How to go to the modding section, in the question modding tread ?