Long_rocket.7z

: Create a virtual environment (if Python) to avoid breaking your system tools.

: Initialize a Git repository ( git init ) to track your changes. Long_Rocket.7z

To provide a specific guide, I need to know a bit more about the : : Create a virtual environment (if Python) to

: Keep notes on the "Long Rocket" parameters (mass, thrust, drag coefficients) if this is a simulation. Long_Rocket.7z

Where did you this file? (GitHub, a forum, a mod site?) What is the file size ? When you open it, what file extensions do you see inside?