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

Distribution ARCHICAD vertion Lang    Downloaded Updated
LabPP_CalcT_AC16_x32_INT v16 win x32 int Download 1558   04/02/18
LabPP_CalcT_AC16_x32_RUS v16 win x32 rus Download 1766   04/02/18
LabPP_CalcT_AC16_x64_INT v16 win x64 int Download 1099   04/02/18
LabPP_CalcT_AC16_x64_RUS v16 win x64 rus Download 1852   04/02/18
LabPP_CalcT_AC17_x64_INT v17 win x64 int Download 1496   04/02/18
LabPP_CalcT_AC17_x64_RUS v17 win x64 rus Download 1433   04/02/18
LabPP_CalcT_AC18_x64_INT v18 win x64 int Download 1056   04/02/18
LabPP_CalcT_AC18_x64_RUS v18 win x64 rus Download 1953   04/02/18
LabPP_CalcT_AC18_Mac_RUS v18 Mac OS rus Download 524   12/09/16
LabPP_CalcT_AC19_x64_INT v19 win x64 int Download 614   04/02/18
LabPP_CalcT_AC19_x64_RUS v19 win x64 rus Download 879   04/02/18
LabPP_CalcT_AC20_x64_INT v20 win x64 int Download 357   04/02/18
LabPP_CalcT_AC20_x64_RUS v20 win x64 rus Download 563   04/02/18
LabPP_CalcT_AC21_x64_INT v21 win x64 int Download 190 06/14/18
LabPP_CalcT_AC21_x64_RUS v21 win x64 rus Download 303 06/14/18
LabPP_CalcT_AC22_x64_INT v22 win x64 int Download 13 06/26/18
LabPP_CalcT_AC22_x64_RUS v22 win x64 rus Download 7 06/26/18

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.