We are aware of an issue causing pages to load incorrectly for some users and expect a fix soon. Sorry for the inconvenience.
FAQ about PTC education's licensing program: https://www.ptc.com/en/blogs/cad/free-downloads-for-students-part-2-ptc-academic-licensing-explained
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
"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-Mathcad-Prime-7-0/m-p/721198
