Install Mathcad 15.0 M010 or higher on the same machine as the Mathcad Prime XMCD, MCD Converter. Your Mathcad Prime license will work for it as well, no additional license required.
Steps to convert legacy Mathcad worksheets to Mathcad Prime:1. Start XMCD, MCD converter
2. Select Add Worksheet > Select the desired worksheet/s to convert > Convert