You see different files in this directory

=========================================
in the Download Area, you find the 
following files:

ibet_ = trial Versions 

these Files are fully functional
Versions in the last stable Build.
They run for 45 Days without 
restrictions, after this time, you get 
some messages.


ibep_ = preview Versions 

these Files are fully functional
and almost stable Versions, but not 
completed with all features of the 
next Version. All Preview Versions
are Trialversion.

=========================================
in the Password protected Customer 
Area, you find the following files:


ibec_ = customer Versions 

these Files are fully functional
Versions in the last stable Build.
When starting the first time, 
they ask for valid keys.


ibecp_ = customerpreview Versions 

these Files are fully functional
and almost stable Versions, but not 
completed with all features of the 
next Version. When starting the 
first time, they ask for valid keys.

=========================================

*full* Versions 

When you install IBExpert the first 
time, you should download this file, 
because it installs all needed 
directories and files

*exe* Versions

When you only want to update your 
already installed Version, you can 
choose this file

=========================================


Other Files in the download Area:

All other Files are Plug