“SuiteCRM is an open-source Customer Relationship Management (CRM) software solution that provides a 360-degree view of your customers and business.” It can be found at SuiteCRM – Open Source CRM Software Application for Businesses. Once you download the compressed file, you can find the documentation at SuiteCRM Documentation: SuiteCRM Documentation. You’ll find documentation there that proves information on installation, usage, and software modification. 

The decompressed files should be uploaded to a directory in a public area of a webserver.