Macros that download Interlight (Moscow) database

The macro is written for the FireFox browser iMacros plug-in. The versions at the time of macro writing:
iMacros version – 8.8.9
FireFox version – 35.0.1

The script for the iMacros plug-in which downloads database of Exhibitors of the Interlight (Moscow) exhibition – Interlight 2014 Participants Database – and keeps in the separate Excel file.

How to install iMacros.