About this task
Note: This procedure is required if you want to use CCT software, HVAC PRO software, or GX-9100 tool software in Passthru mode from SCT on a Windows 8.1 or Windows 7 computer. If you do not perform these steps, Passthru mode does not function. Also, follow this procedure if you need to download resource files for a VND integration into a supervisory engine.