If it's the 2006 Core Duo, you can swap in a Core 2 Duo and update the firmware to get Lion 10.7 and 3 GB RAM support, but it's not worth it, because Lion doesn't have good support either, and 3 GB isn't really enough these days.Hey my iMac is running 10.6.8 -5.1
There is no support for browsers now and many websites won't work
Is there away to update safari, chrome or Firefox? Is there another browser to use?
How do you get 10.8 on iMac6,1?If your iMac has a Core 2 Duo and 2 GB of RAM, you do have the option of updating to OS X 10.8.5 Mountain Lion and running current versions of Firefox or Seamonkey. This is what I've done on my 2006 iMac 6,1 (recommend maxing-out the RAM to 3 GB if you haven't already). But right now I'm not aware of an up-to-date browser on Snow Leopard.
I might try that on my MacBook white early 2008 then, if it's supported by MLPostFactor. That one has 4 GB RAM and Core 2 Duo. Only problem is I took my SSD out for my MacBook aluminum late 2008, so now the white MacBook has only a spinning HD. Still, having modern browser support would be a big plus.I used MLPostFactor. See this thread.
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You may have someone recommend MacPostFactor instead, but that did not work for my iMac 6,1 when I tried last year.
HOWEVER if you do want the machine to be more up to date you can install Windows 7 32bit in Boot Camp just fine. I have done so (I have VL copy at work) and it runs the current version of Google Chrome 61.0.x and Office 2016 as well. Works great too! I use IE 11 in it for some older sites plus an old Java JVM for some of our IT equipment along with the security system (needs old Java and IE plus flash).
So you can still use it with an up to date browser in Windows but not really under OS X.