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In each case check that your Mac complies with the requirements. If you have an Intel Mac it is well worth upgrading to Snow Leopard now and then considering other options after that.įor details about upgrading this to Lion or Mountain Lion see: You can discover more about various Macs at: Im currently running with the Tiger 10.4.11 Mac OS X on my MacBook, but I need to upgrade my OS to at least 10.5.8 to install and run some software. Within OS X Utilities, choose Reinstall OS X. Prepare a clean external drive (at least 10 GB of storage). Like Snow Leopard, Lion does not support PowerPC-based Macs (e.g., Power Macs, PowerBooks, iBooks, iMacs (G3-G5), eMacs). The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Latest version of Mac OS X Snow Leopard (10.6.8), with the Mac App Store installed At least 4GB of disk space for downloading, I say 50 GB. If it says PowerPC you cannot upgrade to Snow Leopard and above as these OSs are for Intel only. Install older OS X onto an external drive. Shelly Alspector 1 1 Add a comment 1 Answer Sorted by: 5 PowerPC is only supported up until Mac Os X 10.5 (Leopard), so Mavericks is out of the question. It looks to me like purchasing the upgrade from Tiger to Snow Leopard is the recommendation. Then click More Info to see which Processor you have. With Snow Leopard, iLife ’’11, and iWork all in one box, the Mac Box Set is the best way to upgrade your Mac experience, especially if you’re still using Mac OS X Tiger. To get information about your Mac click the apple (screen top left) and select About this Mac.


Many people are happy with older OSs but if you want to update here is my general advice:
