There is no option to download Mathcad once I reach the "application selection" section of the installation software, it just shows a blank prompt. what do I do to fix this?
Could you try below steps?
it doesn't work
How many times you repeated above suggested steps?
Also, check whether .NET Framework 4.5.1 and Microsoft Visual C++ 2008, 2010, 2012, 2013 and 2015-2019 SP1 Redistributable Packages (32 bit as well as 64 bit) are correctly installed on your machine.