The following error will occur if you don’t unzip (extract) the firmware folder before you open it with Arduino IDE.
C:UsersGirishAppDataLocalTemp7zO04F9B38CFirmwareFirmware.ino:1:20: fatal error: Global.h: No such file or directory
#include "Global.h"
^
compilation terminated.
exit status 1
Error compiling for board Arduino/Genuino Uno.