It is included in the Readme file in the Crack folder.
If the crack version 3.45 had a problem, you can purchase version 3.18, which is cracked by Downloadly and is problem-free.
Version 5.14.3 was successfully installed and activated on 19 Bahman 1403 on Windows 10 64-bit edition and - as shown in the image -
Download nTopology 5.21.2 x64
Download nTopology 5.14.3 x64
Download nTopology 4.26.4 x64
Download nTopology 3.45.4 x64
file password link