The skins are fan-made and hosted on third-party platforms. Below are the most reliable sources:
The term "skin" is somewhat reductive. It implies a mere wrapping, like shrink-wrap on a grocery item. But the files associated with the Volvo 9800 in the BSU community are often intricate works of digital craftsmanship.
(e.g., a real-world bus company or a sports team) for your Volvo 9800?
: Open your device's file manager and find the downloaded skin in the Downloads folder.