Hi AzDude,
Many thanks for your prompt response.
I can confirm that Fences 4 does not appear anywhere in My Downloads, the list of associated codes through EMail, or Order History.
I'd also like to mention that this has nothing to do with purchasing this from an alternative account.
When I was attempting to activate it, I was trying to do so by logging into the account I purchased it with through the application itself and it said it was no associated; still states that.
If this can't get sorted then I will need to make sure I don't get charged for this and wait until I know it can be activated for sure.
Kind regards.