Al, I have a 27in iMac with mountain lion running. My version of Activity Monitor works fine. It is Version 10.8.0 (806) It should reside in your 'Utilities' folder, however. Jens On Jul 19, 2013, at 4:41 PM, Grappone Al <algrappone at comcast.net> wrote: > Recently there has been posts referring to AM. I have it in my app folder. When I open it I get alert that I cannot use with since it is ver 1.5. > > Where can I download latest version? > > 21.5-inch iMac,3.1GHz Quad-core intel Core 17, Turbo Boost up to 3.9GHz,16GB 1600MHz DDR3 SDRAM-2x8GB,1TB Fusion Drive,NVIDIA GeForce GT 650M 512MB GDDR5 > > _______________________________________________ > X4U mailing list > X4U at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/x4u Jens Selvig ...Lost in Montana...