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Read this tip - "Step by Step Installation Procedure for Mathcad Prime 7.0 Express Edition": https://community.ptc.com/t5/PTC-Mathcad-Installation/Step-by-Step-Installation-Procedure-for-Mathca...
Mathcad Prime 7.0:
https://www.mathcad.com/en/try-and-buy/mathcad-express-free-download/install
https://free-dl.ptc.com/install/pim_installmgr_mathcad.exe
