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iMac 20 OS X support

With iMac 20" (A1224) with OS X v10.6.8 Snow Leopard I'd like to update OSX, do you know if I can update it to Sierra 10.12.6 ?

If this was possible I have to update by multiple intermediate steps?

I have rights for this update?

OSX Sierra is compatible to iMac 20" (A1224) ?

Thanks

Please carefully read How to download macOS High Sierra - Apple Support. specifically the section where it notes which iMacs are supported. If you are not sure of the year of your iMac click the Apple symbol in the upper left of the display and select About this Mac and it will indicate what year iMac it is.

However to answer  your question more directly, no your iMac is simply too old. You can upgrade it to 10.11.x though.

A1224 is shared by several models with differing OS limitations. That's why rkaufmann asked for more info. If you are running OS10.6.8, "About this Mac" will NOT show your exact model name--that started with OS 10.7. For you, About this Mac will give this screen:

You need one more step. Click the "More Info..." button at the bottom. That will launch System Profiler, whose opening screen with what we need looks like this:

Note that I've used a red arrow to indicate a code in the second line. That is a precise identifier. On your computer, what is that code?

For security reasons please do not post a serial number.

I'm going to update to Sierra, not High Sierra!

Your machine is too old to update to Sierra (10.12.6) too. Sierra requires a late 2009 or later iMac. That version of Mac OS your machine can upgrade to is 10.11.x

Considering your machine is over 10 years old, you may want to consider buying a more up-to-date iMac.

Now iMac is in my office so I'm not able to give you data you requested but I confirm your screenshot where is written 10.6.8, 2.4 GHz Intel Core 2 Duo, 3 GB RAM

What last OSX Can I update to ?

最后更新：2017-10-05 04:18:21

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