The software needs to be installed as any normal Joomla extension. You download the component from this site, and goto your installer page of your Joomla system, upload the downloaded installer.

Joomla Finance requires the Joomla Contact manager component to work.

All the contacts (suppliers and customers) are stored in the contact manager, this is because we are releasing other components in the future that will also use the same contact data, and we want to put this in place now.