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I used 2003 for a long time. Briefly used 2007 and now at 2010. I don't see myself using 2013 except maybe to "support" friends and family. Since none i know use it, no rush to install.
Wondering if Office 2013 is like previous licensing schemes where if you remove Office 2013 on one PC and then install on another, will the activation be straight forward.
I'm surprised if Office is tyed to the PC. If so, use the KMS feature.