To use a Pathway certificate, enter the Activation code into HCIUpgrade.exe.
This program is available by selecting Upgrade from your software's Help menu.
On hardware consoles, a link can also be found on the console's shell.
Once the upgrade screen has loaded, select the option for "My dealer has given me an upgrade key", and follow the prompts to enter the Activation code.
Once the code has been entered, restart your software