1. Open "ptc_licfile.dat" in text editor and replace 00-00-00-00-00-00 in every-feature with your real ptc_hostid (real ptc-hostid of your computer is shown in left bottom coner of PTC installer window)
2. Install PTC Creo Elements/Pro 5.0. Wnen asked for license select "Nodelocked license file (No server running) and browse to "ptc_licfile.dat"