While "free download" links are common online, getting the game through official channels like ensures you receive:

Avoid the malware risks associated with unofficial installers.

Which part of the should we dive into first?

Directly helps the team create new DLC and expansions. If you'd like to get started, I can help you with: Basic engine setups for your first boat A guide on using Logic Gates and Microcontrollers Recommendations for the best community mods