This application resides in your /Application/Utilities folder, but there’s a shortcut choose About This Mac from the Apple menu, and when the dialog appears describing your system and hardware, click the More Info button to launch System Profiler. The easiest way to learn that is through System Profiler. To find out, you need to know what PowerPC-only applications you currently depend on. What might the loss of Rosetta mean to you? And suppose, for the sake of even further argument, that Lion lacks Rosetta. But suppose, just for the sake of argument, that you become interested in upgrading to Lion. Your favorite applications will still be your favorite applications. Your current hardware won’t refuse to boot. No bad thing will happen to your Mac the day Lion goes final. The rumor, which has become as loud as a roar, is that Mac OS X Lion will not support Rosetta. In Snow Leopard, the first Intel-only version of Mac OS X, Rosetta wasn’t installed by default it would be downloaded and installed automatically the first time a PowerPC application launched, but the hand was already writing its ominous message on the wall. Now it was PowerPC that was emulated, using Rosetta. Snap! When Macs started relying on Intel processors, support for Classic was dropped. Snap! When Mac OS X came along, all applications had to be rewritten, except for the lucky ones that could operate correctly inside the Classic emulator. The 68000 processor was dropped then the whole 68K processor family was superseded by Macs using PowerPC processors. It’s more like a series of rubber bands that get stretched to the breaking point and eventually snap. The history of Mac development is not like a plant that grows and branches and produces leaves and flowers.
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