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 1525   06/14/17
LabPP_CalcT_AC16_x32_RUS v16 win x32 rus Download 1720   06/13/17
LabPP_CalcT_AC16_x64_INT v16 win x64 int Download 1065   06/14/17
LabPP_CalcT_AC16_x64_RUS v16 win x64 rus Download 1784   06/13/17
LabPP_CalcT_AC17_x64_INT v17 win x64 int Download 1469   06/14/17
LabPP_CalcT_AC17_x64_RUS v17 win x64 rus Download 1394   06/13/17
LabPP_CalcT_AC18_x64_INT v18 win x64 int Download 1018   06/14/17
LabPP_CalcT_AC18_x64_RUS v18 win x64 rus Download 1866   06/13/17
LabPP_CalcT_AC18_Mac_RUS v18 Mac OS rus Download 495   12/09/16
LabPP_CalcT_AC19_x64_INT v19 win x64 int Download 545   06/14/17
LabPP_CalcT_AC19_x64_RUS v19 win x64 rus Download 760   06/13/17
LabPP_CalcT_AC20_x64_INT v20 win x64 int Download 294   06/14/17
LabPP_CalcT_AC20_x64_RUS v20 win x64 rus Download 414   06/17/17
LabPP_CalcT_AC21_x64_INT v21 win x64 int Download 43 08/12/17
LabPP_CalcT_AC21_x64_RUS v21 win x64 rus Download 39 08/12/17

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.
For permanent users - discount 25%.