When you buy R4, you get a key file, which gives you the right to use R4 commercially (upon using it, the nag message at the bottom of R4 disappears, and the loading screen fades out one second after loading completes). There are no extra features over the standard version - We believe you should know exactly what you are buying beforehand. A few days after payment is recieved you will be sent an e-mail containing the key file.
R4 costs £95 (UK Pounds), and you can buy it here:
If this form doesn't work for you, you can send the money directly from paypal to firstname.lastname@example.org or Contact Us to arrange an alternative means of payment.
We are also open to work on customized visuals and complete systems. Contact Us if you have any queries.