Hello everyone, I need to instal scout 5.3 and scout 5.4

Last time I had trouble with them, I installed 5.3 to handle with step 7 and scou 5.4 tia for work with tia 17, but at least i wasn't able to open scout 5.4 with tia 17 (everything was freezed)

Does I need to install the stand alone versions? Or they should work?? probably was a My error installing 5.4 before 5.3, now I wnat to be sure