Back up your files before installing. If you see any mistakes please post it in the discussion, I'll fix it as soon as possible. In this version there's no updated portraits and team name/logo on the menus due to problems in extracting the files.
To install, you'll need Mixfile Remixer which is available here:
The tutorial is in the discussion of the resource.
Páginas Amarillas HP 40 Team skin 1.1
Pons Racing HP 40 Team's new bright look.