You need to install ros2 before run this scripts
https://docs.ros.org/en/humble/index.html
clone the project.
https://github.com/Arena-Rosnav/arena-isaac.git
cd arena-isaac
create the environment and install dependencies.
./create_env
run colcon build for start working.
./colcon_build
*NOTE: the installation just long, do not interupt.
*NOTE: you need to source the init.bash before run.