1) Login to your CPanel and click on the icon for Softaculous.
2) In the new window that opens up, scroll down and click on OpenBravo link on the left column.
3) Click on Install link at the top.
4) Enter the details asked by the installation wizard and click on Install button.
5) Wait for the auto-installation to complete. Enjoy your new OpenBravo!
TIPS: If you want to install your OpenBravo directly in your www root folder (instead of installing it in a sub folder), simply set the field In Directoryto BLANK.