Thanks to this forum I was able to purchase and install Bryce 5 upgrade with a Minimum of hassle. First know your previous Bryce version as well as serial number, if it was from metacreations call Corel as only their versions serial number works. after giving your new & old serialnumbers you will be given a proper old serial number. P.S what is the cheapest price any of you has seen the Bryce 5 upgrade for.