I advise you to ignore those people who tell you not to install virus software, Sir Loin Steak. OSX is just another flavor of unix, and unix isn't perfect.
There are two parts you can update on an iMac: the memory and the hard drive. You cannot upgrade the processor or graphics card, so make sure you buy the model you want.
When upgrading the memory, be aware that the iMac uses laptop RAM sticks instead of desktop sticks. The hard drive, however, is a desktop model.
There are two parts you can update on an iMac: the memory and the hard drive. You cannot upgrade the processor or graphics card, so make sure you buy the model you want.
When upgrading the memory, be aware that the iMac uses laptop RAM sticks instead of desktop sticks. The hard drive, however, is a desktop model.