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

Distribution ARCHICAD vertion Lang  Archive  Downloaded Updated
LabPP_CalcT_AC16_x32_INT v16 win x32 int Download 1589   04/02/18
LabPP_CalcT_AC16_x32_RUS v16 win x32 rus Download 1810   04/02/18
LabPP_CalcT_AC16_x64_INT v16 win x64 int Download 1139   04/02/18
LabPP_CalcT_AC16_x64_RUS v16 win x64 rus Download 1930   04/02/18
LabPP_CalcT_AC17_x64_INT v17 win x64 int Download 1526   04/02/18
LabPP_CalcT_AC17_x64_RUS v17 win x64 rus Download 1473   04/02/18
LabPP_CalcT_AC18_x64_INT v18 win x64 int Download 1099   04/02/18
LabPP_CalcT_AC18_x64_RUS v18 win x64 rus Download 2034   04/02/18
LabPP_CalcT_AC18_Mac_RUS v18 Mac OS rus Download 556   12/09/16
LabPP_CalcT_AC19_x64_INT v19 win x64 int Download 681   04/02/18
LabPP_CalcT_AC19_x64_RUS v19 win x64 rus Download 1006   04/02/18
LabPP_CalcT_AC20_x64_INT v20 win x64 int Download 413   04/02/18
LabPP_CalcT_AC20_x64_RUS v20 win x64 rus Download 689   03/05/19
LabPP_CalcT_AC21_x64_INT v21 win x64 int Download 275 12/23/18
LabPP_CalcT_AC21_x64_RUS v21 win x64 rus Download 487 01/31/19
LabPP_CalcT_AC22_x64_INT v22 win x64 int Download 157 12/23/18
LabPP_CalcT_AC22_x64_RUS v22 win x64 rus Download 306 01/18/19

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.