Make sure you grab your copy now while it is hot. You will be prompted to register the software at the developers homepage which you can do for free to receive the serial number and some Bryce 5 presets to work with. You can follow the download link at their website which takes you directly to where you can download Bryce 5. The company that develops Bryce, a 3D landscape and animations suite, is giving the program away for free for a limited amount of time currently.