If you are looking for guides or technical resources on how to get these games running, here are the most relevant "papers" (technical guides and community repositories) available:
: For more recent context, video essays and articles analyze why the latest entry, Test Drive Unlimited Solar Crown , faced technical hurdles at launch, focusing on "online-only" server requirements and optimization issues.
: For the original Test Drive Unlimited (2007) , community members on Reddit's Abandonware sub provide instructions on running the game as an administrator without a standard installation process.