To install the DRS zones, just copy the "drs_zones.ini" files to the "data" folders of the tracks.
I've tried to record the DRS zones as you can see them on the 2017 track maps of the official formula one homepage.
https://www.formula1.com/en/championship/races/2017/Bahrain.html
I've tried to record the DRS zones as you can see them on the 2017 track maps of the official formula one homepage.
https://www.formula1.com/en/championship/races/2017/Bahrain.html