Currently Being ModeratedMar 27, 2013 9:12 PM (in response to Ophapple)
Whatever you do don't install MacKeeper. It is crapware. Why pay for software that only does things that can be done for free using other sofware with less chance of corrupting your Mac also.
Your iMac has an Intel processor or else Snow Leopard 10.6 would not have installed.
Currently Being ModeratedMar 27, 2013 9:09 PM (in response to Ophapple)
Is MacKeeper Helper needed? It finds various serious threats?
Nooooo! MacKeeper is a threat. Stay away from it.
your mac is intel based and can be upgraded as high as Lion 10.7.5.
Currently Being ModeratedMar 27, 2013 9:17 PM (in response to Ophapple)
Yes that is an Intel iMac.
No do not install MacKeeper it is crapware to get your money.
No sorry it is to old for Mountain Lion.
You should however at the very least bring it up to 10.6.8 so that you can access the App Store.iMac, Mac Mini, iPad, iPods, Mac OS X (10.6.8), (10.8.3), Safari, iTunes, iPhoto