HgLab is a behind-the-firewall self-hosted Mercurial server and source control management system. This is where you'll find all the required documentation, starting from Installation Instructions to User Guide to Administrator Guide.
Getting Started guide is the best way to know HgLab.
To see HgLab live, go to http://live.hglabhq.com.
Check out Prerequisites to see what are the hardware and software requirements for HgLab and then follow along the Installation Instructions.
Otherwise, use the menus on the right to get detailed information about features. If you encounter a problem, please contact HgLab Support.