PDF file "Mathcad 15.0 M45 Read This First" can be found in attachment to this document.
Mathcad 15 M045 30-day free trial available for downloading here: http://www.ptc.com/engineering-math-software/mathcad/free-trial
Thank you for posting this. The brain-dead installation script for M045 flashed a massage about the backup directory but did not provide any way to save that information.
