This free demonstration version is a great way to try out CrystalMaker. The software comes pre-loaded with a set of example structures: these are automatically shown in the Favourites pane of the Overview window (at the bottom of the screen) - just click a thumbnail to load its structure.
The full User's Guide (in searchable Adobe PDF format) and a Tutorial, are available from the program's Help menu.
Mac OS X 10.8 "Mountain Lion"
Mac OS X 10.7 "Lion"
Mac OS X 10.6 "Snow Leopard"
Mac OS X 10.5 "Leopard"
Universal Binary: runs natively on PowerPC and Intel Macs.
Windows 8 (including 64-bit)
Windows 7 (including 64-bit)
Windows XP (Service Pack 2)
Purchasing the full-feature version lets you: