Here You can download the distribution for your version of ARCHICAD.

Distribution ARCHICAD vertion Lang    Downloaded Updated
LabPP_GenPlanT_AC16_x32_INT v16 win x32 int Download 653   05/28/18
LabPP_GenPlanT_AC16_x32_RUS v16 win x32 rus Download 1634   05/28/18
LabPP_GenPlanT_AC16_x64_INT v16 win x64 int Download 770   05/28/18
LabPP_GenPlanT_AC16_x64_RUS v16 win x64 rus Download 1916   05/28/18
LabPP_GenPlanT_AC17_x64_INT v17 win x64 int Download 781   06/16/17
LabPP_GenPlanT_AC17_x64_RUS v17 win x64 rus Download 1511   06/16/17
LabPP_GenPlanT_AC18_x64_INT v18 win x64 int Download 1001   06/16/17
LabPP_GenPlanT_AC18_x64_RUS v18 win x64 rus Download 1995   06/16/17
LabPP_GenPlanT_AC18_Mac_INT v18 Mac OS int Download 641   05/20/16
LabPP_GenPlanT_AC18_Mac_RUS v18 Mac OS rus Download 646   05/20/16
LabPP_GenPlanT_AC19_x64_INT v19 win x64 int Download 787   06/16/17
LabPP_GenPlanT_AC19_x64_RUS v19 win x64 rus Download 1075   06/16/17
LabPP_GenPlanT_AC19_Mac_INT v19 Mac OS int Download 625   05/20/16
LabPP_GenPlanT_AC19_Mac_RUS v19 Mac OS rus Download 720   05/20/16
LabPP_GenPlanT_AC20_x64_INT v20 win x64 int Download 380   06/16/17
LabPP_GenPlanT_AC20_x64_RUS v20 win x64 rus Download 610   06/16/17
LabPP_GenPlanT_AC21_x64_INT v21 win x64 int Download 168   08/08/17
LabPP_GenPlanT_AC21_x64_RUS v21 win x64 rus Download 257   08/08/17

If You have a troubles, guide how install add-ons read there.

All distributions equipped with temporary (demo) keys. So You can work in full mode.