Running
ALTAIR_HOME=C:\Program Files\Altair\2020
hm_extapi <application> <arg1> <arg2> ... <argN>
setenv HM_OGL_STUB 1
hm_extapi <application> <arg1> <arg2> ... <argN>
ALTAIR_HOME=C:\Program Files\Altair\2020
hm_extapi <application> <arg1> <arg2> ... <argN>
setenv HM_OGL_STUB 1
hm_extapi <application> <arg1> <arg2> ... <argN>