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@Anonymous wrote:
The release I have is AutoCad 14.

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There is no such AutoCAD version for Mac. AutoCAD for Mac versions are: 2011, 2012, 2013, 2014 and 2015

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@Anonymous wrote:
The SP1 doesn’t even recognize that I have AutoCad 14. 

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What does this mean? Do you have some messages from SP1 installer when you are trying to install it?

Have you tried to use "Check for updates" from AutoCAD menu?

If you will get this:

after you select "Check for updates", than all SPs are already installed.

Maxim

If you are absolutely sure that you have not installed any Service Packs for your AutoCAD version and you already are on Yosemite, than you need to download new full installer fro AutoCAD 2013 from here:

http://knowledge.autodesk.com/support/autocad-for-mac/downloads/caas/downloads/content/autocad-2013-...

This installer already includes all Service Packs:

This full version re-release of AutoCAD 2013 for Mac is provided for customers who require a fresh install on Mac OS X Yosemite, since the original installer cannot install the product on Yosemite. This full version is in line with the AutoCAD 2013 for Mac with Service Pack 3.

Than remove AutoCAD 2013 installation you have on your Mac with "Remove AutoCAD" application,

than install it again with installer you downloaded now.

During uninstallation you can leave your AutoCAD preferences and after you install it again everything should be "in place".

Maxim

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@Anonymous wrote:
So order of action is to uninstall 2013 with the AutoCad uninstall and then download this upgrade?

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It doesn't matter, but I'd suggest you download installer at first, than proceed with removing of existing installation.

In order to save your personal settings of the existing AutoCAD installation you need to leave this:

checked in the second uninstallation window.

Uninstalaltion usually takes a few seconds.

Maxim