IKG - Inno Setup Key Generator
If you're a user of Inno Setup then this freeware application will allow you to force users to enter their registration credentials before the installation can proceed.
The download includes a key generator, validation DLL for inclusion in your scripts, a help file and sample script (actually the same script used for the installation of IKG itself).
To install the product you will need the following registration information.
* The registration information is not stored anywhere. The registration process has simply been added to the installation in order to demonstrate how IKG works.