The most reliable link is found on the official CivilCAD website (civilcad.com.mx). Here, you can find the "Downloads" section where the installer for the 2023 version is hosted.
CivilCAD for AutoCAD 2023: The Ultimate Guide to Features, Installation, and Integration civilcad para autocad 2023 link
Faster processing of large point clouds and triangulation. The most reliable link is found on the
Design and calculate potable water and sewage systems. civilcad para autocad 2023 link