Hi Brad, I reinstalled Nthusim with the arrival of my DK2. It tells me the "Activation Failed, Unable to activate the software, there are no unused activations on the server."
I just reset your license information. Should be all set for re-activation.
Be mindful that we just got our DK2 kits within the last 24 hours, so we need time to implement Rift SDK 0.4.1 before things work right with Nthusim HMD.