Tweak the Info.plist if required in order to remove or reduce the CPU MHz limit, and then open up /Applications/Aperture.app/Contents/MacOS/Aperture file in 0xED and jump to the offset 0x6f9a80 and change the text in right hand pane from performRequirementsCheck to performLicenceCheck and then add five hex 0x00 in the left hand pane to make the strings equal length.