

Access to the App Store enables you to download Mavericks if your computer meets the requirements. The new Mac OS X v10.5.8 update can be downloaded and installed from Software Update in OS X or optionally from the standalone installer through the download link given below. After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Improves compatibility with some external USB hard drives.Includes additional RAW image support for several third-party cameras.Improves compatibility and reliability for joining AirPort networks.Improves overall reliability with Managed Client.Addresses data reliability issues with iDisk and MobileMe.Improves iCal reliability with MobileMe Sync and CalDav.Addresses an issue that could cause extended startup times.Improves overall Bluetooth reliability with external devices, USB webcams and printers.Resolves an issue that could prevent importing of large photo and movie files from digital cameras.Dragging an Aperture image into Automator now invokes an Aperture action instead of incorrectly invoking an iPhoto action.Resolves an issue in which certain resolutions might not appear in the Display pane in System Preferences.Improves the accuracy of full history search in Safari 4.PowerPC applications are no longer supported after 10.6.Įl Capitan 10.11 Compatibility informationĪlso check to make sure there is a compatible driver for your printer.ĭo a backup before installing, preferable 2 backups on 2 different drives. Use the combo update to save time in Software Update.Ĭheck to make sure your applications are compatible. I had 6GB installed on an early 2008 iMac supposedly limited to 4 GB and noticed an improvement. OWC has also tested RAM above what Apple states is the maximum.

They have on-line instructions on how to replace the RAM.


I have purchased RAM several times from Other World Computing and have always been very satisfied with the product and service. The 2 places I’ve seen recommended most to buy reliable RAM are below. That model can be upgraded to 6 GB of RAM and based on my experience using the same model iMac, it will run much better. You might want to check to see how much RAM the computer has.
