Hi there.

I have a long-standing problem which I hope might be solved here. I have paid several developers to complete this project but all have failed to deliver what they clearly stated they could.

I wish to sell a very small piece of software from a Wordpress site and avoid it's potential piracy by locking it into the user's computer.

The idea is that the user downloads the function limited trial sw and after a given period, purchase the key which unlocks it's full functionality and time restriction.

The key is generated based on the MAC address of the user's computer, thus restricting it's use to that computer only.

My question is, what would be the best way to impliment this process, which must be automated via the Wordpress site?