The steps required to install the Estere/SCADE sofware are as follows:

1) Insert the esterel/scade CD in your CD-ROM.

2) First install Esterel/SCADE and then install FLEXLM following the
instructions given.

3) Go to My Computer --> Properties --> Advanced --> Environment Variables.

4) Add new environment variable in user variables where
    variable name  :   ESTERELD_LICENSE_FILE
    variable value  :  29030@202.141.80.32
i.e., the variable value is  port_number@server_address where the key has
been installed.

5) Now restart your computer and the esterel/scade editors will start working.