Hi I am currently using a 2003 G4 iMac (OSX 10.9.9, 1 GHz Proc. 1 Gb DDR SDRAM) I recently purchased, online, 2 Mac OS X (10.4.6) install Discs (Tiger), AHT version 3A107, Disc version 1.3, which originally came with MacBook Pro. These discs are seperate from the rest of the hardware bundle. I would like to know if this a full version of Tiger and will I be able to install this system on my G4? All I want to do, really, is upgrade from my old Panther op system to Tiger. Would appreciate any advice.......thanks.