CloudCompare
CloudCompare is an open-source 3D point cloud processing software: http://www.cloudcompare.org/
Download and installation
Download and install CloudCompare from the official website: http://www.cloudcompare.org/
We recommend to use the latest stable release.
Getting started
Help for using CloudCompare can be found in the documentation: https://www.cloudcompare.org/doc/wiki/index.php/Main_Page
If you are new to CloudCompare, check the tutorials on the website.