Not sure where you are, world location, but why did you go through Digital River for your subscription? It has been almost a year since I signed up, I got the Photographer subscription, LR & PS, in April of 2014, but IIRC it was through Adobe directly. I have it installed on 2 different computers, one desktop and one notebook, which is completely legal as long as you don't use both at the same time and You/I am the only user of those programs. If you want to have it installed on multiple computer used by different users at the same time you'd need some type of corporate license or Multiple user license. You'll need to contact Adobe sales directly to see what is offered and at what cost.
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