Solved
Download link
Can you please share the download link for Mathcad 15
PTC hides that very well - apparently even from its own employees.
To make it even more difficult, the link also has changed now an then.
Try this link:
https://www.mathcad.com/en/try-and-buy/free-trial
Another option is this one:
https://support.ptc.com/support/mathcad_downloads.htm
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