Mac OS X Leopard brings a whole new level to desktop and server computing. Leopard delivers 64-bit power in one universal operating system - able to run both 32-bit and 64-bit applications and run on both PowerPC G4/G5 and Intel Macs. In addition, Mac OS X Leopard is also optimized to take full advantage of the latest multicore CPUs. Being a fully UNIX-compliant operating system, Leopard has all the advantages of a stable, secure and mature operating system. Couple that with Apple's legendary ease of use and you have the best computing environment available today.