Before you can work on the Rainbow platform you need to download and install the Client Setup program.
Click here to download version 8 of the FirstClass Client setup program.
You can also find this at the Centrinity download website.
After downloading the program you can start the Setup and install
the Client on your computer.
Installation is simple, if you don't want to make changes to the destination
folder, just choose the Typical installation and click on the Yes or Next buttons.
If you have problems with this you an also read this
helpfile.