GeoNetwork can run either on MS Windows, Linux or Mac OS X. This document describes installation on MS Windows and Linux.
Some general system requirements for the software to run without problems are listed below:
Memory (RAM) : 2 GB or higher
Disk Space : Minimum of 512MB of free disk space to install the application. Additional space is required depending on the amount of spatial data that you expect to upload, a minimum of 4 GB is recommended.