Make OS X run faster by toggling 64-bit kernel feature.
SixtyFourSwitcher is a preference pane that makes it easy for users to switch between booting using the 32-bit version of the Mac OS X kernel and the corresponding 64-bit version. The 64-bit kernel is internally faster than the 32-bit kernel due to its improved caching & improvements in the ABI, but the 32-bit kernel has better kernel extension compatibility than the 64-bit kernel.
Java SE 6 components.
For mid 2010 iMacs.
updates 9.2.1 for G3s or higher