its a work laptop no iffy kms work arounds, if it was just mine no probs id use in a flash id have 2013 pro plus.
this laptop has all product codes for software its supposed to have if it has wrong software against asset number all manner of bells and alarms will go off when it connects to the domain.
the tool i mentioned downloads iso of windows & office you could try that it doesnt activate for you
i have a few links lying about somewhere also for various versions