My software is OS X Tiger and I want to upgrade it with the Snow Leopard 10.6.8 will that work or do I need Snow Leopard 10.5 first?

Mac OS X 10.6 Snow Leopard

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  • Best Answer:

    You can do a clean install of Snow Leopard directly over Tiger, provided that your hardware meets the minimum specifications (1GB RAM, Intel CPU).

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  • If you have an Intel-based Mac, with 1GB of memory, you can buy the US$29 Snow Leopard DVD and "upgrade" direct from Tiger. Although, this DVD supposedly does not "automatically" upgrade from 10.4.11 to 10.6, all the tools to upgrade are on the DVD. I "upgraded" my OS 10.4.11 iMac using this DVD. Here are the steps I used:

    1) First, keep (or clone to an external bootable drive) your old bootable partition with the old OS on it. This allows you to have a backup and still be able to start up with OS 10.4.11, if you wish to, after Snow Leopard is installed.

    2) Start doing a clean install of Snow Leopard to a fresh partition. In order to do a clean install with the $29 DVD, you will have two options when you start up from the DVD... "Utilities" or "Continue". Select "Utilities" and when the Mac restarts, select "Disk Utilities" from the "Utilities" menu. Do a format of your "fresh" partition and then QUIT "Disk Utilities".

    3) Now Snow Leopard will begin installing. During the install, it will search your Mac for all other partitions with an older OS and then ask you if you want to import your OS Settings, Applications and Files from one of those other partitions. Do this for a very smooth upgrade transition to the new OS. (If you decide to not import, then you will end up with a clean install of Snow Leopard instead.)

    4) After restarting with the newly installed Snow Leopard, go to the Apple Menu and do Software Updates to bring your system up to OS 10.6.8.

    5) All my Apps from OS 10.4.11 continue to work in Snow Leopard, but some of my printer drivers and scanner utility did not. Until I found those upgrades, I was still able to start up from the OS 10.4.11 partition to use my printers and scanner. To change the Start Up partition, either use the Start Up Disk in System Preferences... or press and hold the Option key during startup.

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