I purchased the full retail version of Microsoft Office Professional 2010 from EWPLUSOFT via the Sears Marketplace. You really want to avoid purchasing software from EWPLUSOFT since they provide developer's licenses rather than retail licenses (called Office Professional Plus 2010). Microsoft will not activate developer licenses without a developer's subscription. I have no idea of the cost this subscription since I am a home user.
I sent 8 e-mails asking EWPLUSOFT for a disc with the retail version of the software or a full refund. EWPLUSOFT sent 7 e-mails simply telling me that I needed to download the software from their website "to fix the problem" in lieu of retail disc. In the 8th e-mail, EWPLUSOFT finally acknowledged that they will neither provide a disc with the retail version of Microsoft Office Professional 2010 nor provide a refund.
Again, you really want to avoid doing business this Marketplace seller!
Monetary Loss: $212.