Download UR8 for Revit 2015:
Not for R2
Enhancements List (R2):
Not for R2 – Readme
Not for R2 – Enhancements
From what I've found, you cannot install this remotely as the installer requires a openGL compatible GPU driver which is not available through remote desktop.
You also cannot package this for SCCM or Software Center installations on the end user side of things.
Is the only way to install this via giving our end-users administrative rights or going around to all 120 machines manually/locally and doing it myself? If so, that's a huge problem.