1. Make a backup of the Icecalc subdirectory
2. Please download the disks.exe file
3. Start disks.exe. The extraction programm creates nine folders named disk1 to disk10
4. For installation start setup on the disk1 subdirectory.
5. To update the output menu select IceCalc menu->Special->Edit ini-File and delete the section output-menu and then restart icecalc.
6. Delete subdirectory reports\rpxena4
Note for update from version 3 to version 4 some tasks must be done manually as described in the readme file.