kindly check this link and see if it will work on your unit.
Mac OS X Update Combo 10.1.5: Information and Download
I have a G3 iMac 400MHz, running Mac OS 9.2.2. Even thought I am looking to repair my PC I thought it would be smart to upgrade this Mac anyway, because all my current OS is doing is limiting my online capability. I need the full version of Mac OS X 10.1
kindly check this link and see if it will work on your unit.
Mac OS X Update Combo 10.1.5: Information and Download
We help not because we need to but we help because we want to.........there's a big difference between "need" and "want"
I not quite sure what I was suppose to get from the link..but I do know that this Mac is equipped to to handle up to Mac OS 10.3
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There isn't a Mac Store anywhere in this state so where else can I get it?If you are sure that your system is able to handle the OS X upgrade, then you need to buy a OS X disk and pop-in the disk in your imac. It should be simple to run after that.