How to do a self serve activation in Dfx version 4 -
Required:
1- any computer that can go online
2- the host id of the computer you want to activate DFX with.
3- the DFX license code

On the web, go to http://tiffen.softwareactivate.com/activate/
enter in the two fields where indicated ;
1- the license code
2- the host id

Register your product- click on the link to get the license file. Download the file. The file should have a suffix of .lic . Now take this file and save to a USB drive, cd/DVD etc... and bring over to the machine you want to activate. Go back to the original ACTIVATION dialog box and choose ' install license file' navigate to your .lic and DFX will install.

Please note***** you are creating a special license file for your off-line machine. It will only work for this machine and this license cannot be transferred to another machine.

If you need to deactivate this machine of license, please contact the support team at http://tiffen.helpserve.com Mon-Friday 9-5 PM