Leopard different, a bit buggy, but worth the upgrade, Adam Robert Guha, Apple Archive, 2007.11.02. Thanks to Leopard’s Time Machine backup feature, it’s easy to restore your Mac to an earlier setup if you’ve inadvertently deleted essential files. Restoring a Crashed Mac with an Install Disc and Time Machine, Alan Zisman, Zis Mac, 2008.02.06. But SheepShaver lets you emulate a PowerPC Mac and run the Classic Mac OS. Mac OS X 10.5 doesn’t support Classic Mode. SheepShaver Brings Classic Mac OS to Intel Macs and Leopard, Alan Zisman, Mac2Windows, 2008.05.20. Time Machine is a marquee feature of Mac OS X 10.5, but isn’t all of that disk activity likely to wear our your drive prematurely? Does Constant Time Machine Activity Compromise Disk Longevity?, Charles W Moore, Miscellaneous Ramblings, 2008.09.15. Mac OS X 10.5 requires an 867 MHz G4 with 512 MB of memory, but is performance really acceptable on a minimum spec system? The Leopard Experience at 867 MHz, Simon Royal, Tech Spectrum, 2008.12.02. Spaces, a feature introduced with OS X 10.5, is like having several monitors on your Mac without the cost and space of using multiple displays. Why Spaces Is My Favorite Leopard (and Snow Leopard) Feature, Charles W Moore, Miscellaneous Ramblings, 2009.11.23. These are the last versions of software compatible with OS X 10.5 Leopard. Download file - Mac OS X 10.5.6 Leopard Install DVD.rar. However, there are a few interesting new features that will certainly interest some users. The focus of OS X 10.6 is simply to improve overall efficiency and reduce it's footprint. The first thing Mac users should be aware of is that there's nothing eye-popping in Snow Leopard that's going to have you scrambling to upgrade. This works for PowerPC Macs that don't have a Dual Layer DVD, and you wish to install Leopard using an external USB Drive instead. After doing a lot of research and trying out some hints, finally I could install Mac OS X 10.5 Leopard on an iMac G5 1.8 GHz, and I would like to share with you the solution that I got. This was released along with the Mac OS X leopard to get the response from the end-user about its practicality and when all positive reviews turned in, apple decided to go with the MacApp store with a tweak to the software frame and also improving the user interface between the user. The full-scale dedicated store to download all the applications for your Macintosh system.