The ICEM CFD has various license options like CFD PrepPost, Ansys Mechanical Enterprise, Ansys Mechanical Premium, Ansys Mechanical Pro, Ansys Mechanical Enterprise PrepPost, Ansys LS-DYNA. You can access these license as per your preference.
ICEM CFD Add-in
To access the ICEM CFD licenses in Workbench:
Right-click the ICEM CFD system.
Click Properties.
In the Properties window under Licenses, select the license of your choice from the dropdown.
Stand Alone ICEM CFD
You can access license from command line as follows:
"C:\Program Files\ANSYS Inc\v242\icemcfd\win64_amd\bin\icemcfd.bat" -p cfd_preppost to access CFD PrepPost.
The available license options are:
cfd_preppost for CFD PrepPost
ansys for Ansys Mechanical Enterprise
mech_2 for Ansys Mechanical Premium
mech_1 for Ansys Mechanical Pro
preppost for Ansys Mechanical Enterprise PrepPost
dyna for Ansys LS-DYNA