On Jan 15, 2012, at 4:06 PM, M. Milligan wrote: > Hi: > > My iMac has the following: > > 2.8 GHz Intel Core 2 Duo > > 4GB 667 MHz DDR2 SDRAM > > Can I load and operate Lion? > > Murray Presuming you have enough hard drive space left. http://osxdaily.com/2011/06/07/mac-os-x-10-7-lion-system-requirements/