Snow leopard is an excellent OS and runs happily on 1 or 2 GB RAM. Starting with Lion and through to Yosemite, the OS requires much more RAM; 4 GB is generally recommended as a minimum; if you do any photo/graphics/video editing, 8 GB would be a minimum. Your model can run Yosemite; however, with an older/slower processor and a max. of 6 GB RAM, I would question the logic of spending money on an 8 year old computer. Personally, I would stick with Snow Leopard and start saving for a new Mac.

• Intel Core 2 Duo Update
• Best Mac Os For Intel Core 2 Duo

In addition to being one of the categories of Mac listed above, it also needs to be running OS X Mountain Lion (10.8) or higher prior to installation and have 2 GB of memory installed. All of these Macs support HEVC, but not all of them support hardware accelerated HEVC.

Apr 8, 2015 8:08 PM

Hi _Alvin,

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• IMac is a family of all-in-one Macintosh desktop computers designed and built by Apple Inc. It has been the primary part of Apple's consumer desktop offerings since its debut in August 1998, and has evolved through seven distinct forms. In its original form, the iMac G3 had a gumdrop or egg-shaped look, with a CRT monitor, mainly enclosed by a colored, translucent plastic case, which was.

Welcome to Apple Support Communities.

Checking the model numer A1181, EMC 2200 it sounds like you have a white MacBook (Late 2007).

Given that, your MacBook supports up to Mac OS X 10.7.5, Lion.

General requirements

• Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
• 2GB of memory
• OS X v10.6.6 or later (v10.6.8 recommended)
• 7GB of available space

Note it requires you have OS X v10.6.6 already installed.

Intel Core 2 Duo Update

Checking OS X 10.8, Mountain Lion requirements,

MacBook (Late 2008 Aluminum, or Early 2009 or newer)

That's not supported.

So you will want to get, install and update Snow Leopard then upgrade to Lion.

Best Mac Os For Intel Core 2 Duo

Best regards.

Mar 4, 2016 11:50 AM