Here you find the download links to the latest ISPConfig releases and installation instructions.
Download the latest ISPConfig version from sourceforge.net. ISPConfig is released as Open Source software under the BSD license.
To install the latest ISPConfig update, run this command on the shell of the server as root user:
The ISPConfig updater will then check for new releases and guide you trough the update process.
A detailed update guide is available here
On more than 400 pages, it covers the concept behind ISPConfig (admin, resellers, clients), explains how to install and update ISPConfig 3.1, includes a reference for all forms and form fields in ISPConfig together with examples of valid inputs, and provides tutorials for the most common tasks in ISPConfig 3.1. It also lines out how to make your server more secure and comes with a troubleshooting section at the end.
ISPConfig supports several Linux Distributions, it can be installed on Centos, Debian, OpenSuSE and Ubuntu Linux.
The recommended Linux Distributions for ISPConfig are Debian and Ubuntu.
On the documentation page you will find a list of all available installation tutorials.