Unfortunately, Snow Leopards System Profiler window doesnt display your Macs actual model year/version.
(You may also find, especially if youre upgrading from Snow Leopard, that some of Mavericks features require more everyday free space, as was the case with Lion and Mountain Lion.) If you need to free up space on your drive, you can use a utility.In Snow Leopard, you get a System Profiler windowselect Memory to check the RAM amount: Select Serial-ATA, and then select your drives name on the right, to see your free drive space.Just launch MacTracker and select This Mac on the left, and your Macs MacTracker entrycomplete with its official model year/versionis displayed to the right.For non-Mac App Store apps, youll need to manually install updates.What if you have a Mavericks-compatible technohackzs blogspot 2012 internet manager idm full Mac thats still running Leopard (OS.5)?Disable third-party disk encryption Similarly, if youre using third-party full-disk-encryption software, you may want to temporarily disable that encryption before upgrading your Macs.(See our article on Mac backup plans for more info on backing up your Mac.) I personally recommend creating a bootable clone backup using SuperDuper or Carbon Copy Cloner, although a Time Machine backup will do, as well.
A word of advice here: If you dont buy your RAM directly from Apple, be sure you get RAM thats specifically guaranteed for use in Macs.(If you have one of the two Mac models that originally shipped with OS.4 Tiger and that support Mavericksthe Mid 2007 iMac and the Mid/Late 2007 MacBook Proand youre still running Tiger, youll definitely want to go the Snow Leopard-to-Mavericks route.) Finally, Ill.MacBook Pro 17-inch (Late 2007 or newer).If Disk Utility finds problems, youll need to boot from a different volume to perform the actual repairs using the Repair Disk button.About This Mac image is not included with these upgrades.