Unable to launch trial version

1. What version of Windows OS are you using?

2. Try the following tips:

• "Error "PTC Installation Assistant has stopped working" when running setup.exe for Mathcad Prime"": https://community.ptc.com/t5/PTC-Mathcad-Installation/Error-quot-PTC-Installation-Assistant-has-stopped-working-quot/m-p/706416#M21 
• "Error : Mathcad Configuration A problem was encountered during the MSI installation": https://community.ptc.com/t5/PTC-Mathcad-Installation/Error-Mathcad-Configuration-A-problem-was-encountered-during-the/m-p/715719#M283 

Hi  @JW_10112400,

What is the error message you are receiving while launching Mathcad Prime?

Thanks,

Vipul