After downloading the above file . You need to run below command(bash file) in your ubuntu terminal.
bash ~/Downloads/buggy_race_install.bash
By running the bash file . you are asked to enter your password , now the installation starts.
If you get the above screen , Please run the below command
rosdep update
After running above command (bash ~/Downloads/buggy_race_install.bash) , You can see that BuggyRace folder is added to home folder. If you don’t find the BuggyRace folder added to home directory . Then run the bash file again
If the folder structure is not like the above image. Run the below commands
cd ~/BuggyRace
source ./install/setup.bash
colcon build
After running commands . You can observe the BuggyRace folder with the struBy this , the installation of software pack is completed.