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SheepShaver is an Open Source PowerPC Mac OS run-time environment. That is, it enables you to run PowerPC Classic Mac OS software on your computer, even if you are using a different operating system. However, you still need a copy of Mac OS and a PowerMac ROM image to use this program. SheepShaver is distributed under the terms of the GNU General Public License (GPL).


  • SheepShaver runs Mac OS 7.5.2 through Mac OS 9.0.4
  • PowerPC G4 emulation on non-PowerPC platforms, direct execution otherwise
  • Basic but portable JIT engine (x86, x86_64, mips)
  • Copy and paste of text between Mac more...

What's New

Version 2.4:
  • Gamma fix that allows running Ferazel's Wand and some other games.
  • When SheepShaver is not using CD-ROMs (CD-ROM driver disabled in preferences), SheepShaver will no longer prevent ejecting CD-ROMs in the OS X host.
  • More reliable mounting and unmounting CD-ROMs while SheepShaver is running. (Not in OS X 10.8 Mountain Lion, see known issue below.)
  • Accidental more...


OS X 10.4 or later

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Current Version (2.x)


Downloads 93,240
Version Downloads 93,226
Type Utilities / System
License Free
Date 26 Aug 2012
Platform Intel 64 / OS X / PPC 32 / Intel 32
Price Free
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