This document provides a product support matrix for HP ArcSight Management Center (ArcMC) that outlines supported appliance models, operating systems, browsers, and upgrade paths for each release version from 1.0 through 2.1. Key details include support for Red Hat Enterprise Linux and CentOS versions 6.4 through 7.1 on both software and appliance installations. Supported browsers across versions are Internet Explorer 9-11, recent versions of Firefox and Chrome, and Mac Safari.