IF 2012 is on hard drive, just install it, then do the updates listed in the Support button at top of this page for 2012.
If you only have the full version on the 2010 drive (and the rest were upgrades to it), then I would think you *may* have to do the 2010, then 2011, then 2012 installs/upgrades. It depends on exactly what you have for 2011 and 2012. I believe it was possible to buy the upgrade that only worked if the previous version was installed (ie update price from 2010 to 2011 and from 2011 to 2012).

However, it's worth trying just the 2012 install; if it works you are good to go, if not you'll get a notice that you need a previous version...

Last edited by rharv; 12/26/11 01:57 PM.
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