I have found the solution, and have posted it on posts seven and nine. The safest way though, is to use something like Kext Utility. It is built mainly for the Hackintosh community, but it also works great on a regular Mac. Also, if you use the Root account, the risk of messing up your computer is really low, and permission repair isn't necessary, at least when I did it. You can repair permissions if you want. For 10.6.4, you need the Multitouch update, you might also be able to do it without the update, but you would need to hack the kext, but that only gives inertial scrolling. I will try that later if I have time. As for 10.6.5, you need a new kext, I have uploaded one in a post below, but you can create one yourself. 10.6.6 uses the same kext, so if you used the combo updater, you will need to reapply the patch, but if you used the delta updater, you won't need to reapply the patch. Note: this is only for MacBookPro4,1 and MacBookAir1,1 and MacBookAir2,1. Look below for links to pre-made drivers. Also, I have uploaded a picture of the new Preference Pane. 10.6.4 kext on first page. 10.6.5 kext (works with 10.6.6 and 10.6.7). 10.6.8 kext on 2nd page. I have also included kext from 10.7.1 on the second page. 10.7.2 kext is also on the 2nd page. 10.7.3 kext on 2nd page. 10.7.4 kext on 3rd page. 10.8 kext by modified by drFUNK on 3rd page (works with 10.8.1 and 10.8.2). 10.8.3 kext on 4th page (works with 10.8.4). Have fun and Good Luck! Original question: Code: OK, so with this new update, is there that option for the 3 finger drag for the early 2008 MBP? I mean how hard can it be for them to do it (isn't the late 2008 and early 2008 17" MBP the same except for a few specs like hdd???).