Can i share my share code for a car paint on this forum?
Review the forums structure:
https://forums.forza.net/turn10_forum18_Forza-Horizon-4.aspx
You’ll see a section for Paint Booth which is where you can share codes. When you post use a topic more specific than “question” so other users know what you’re posting about.
Thank You. 
But nobody will download it unless you post a picture as well.