The installation program requires the user to register the Windows client. The license is valid for the time allotted in the license description.
If you are demoing the software, you will be given a 45 day license key that may be entered manually at installation. If you have purchased the software, there are 4 ways to register the software:
NOTE: You should only register the client if you are not installing a local EnterpriseSCHEDULE Windows server. If you are using a local server, you will need to attain a server license from ISE.