You can install and run Mathcad Prime 6.0 without a license. Either as the free 'Express' version with reduced functionality or in a 30 day trial period with full functionality. If you want the 30-day trial see this page.
You only need the installation zip file. If you don't have it please contact us by submitting a request here at https://support.alfasoft.com.
First, unzip the install package ...
... and double click on setup.exe. You will then see this screen:
After clicking next you see a screen the legal text:
You need to accept the software agreement and also tick the box at the bottom:
After clicking Next you will see what's about to be installed:
This can differ depending on what's already installed on your computer. Normally you just click on 'Install' and then you have to wait a few minutes ...
Until it's done:
After clicking 'Finish' you will hopefully see a Mathcad Prime icon on your desktop:
And new shortcuts in the start menu:
Using the 'PTC Mathcad Prime 6.0.0.0' start menu item or double-clicking on the icon will start Prime:
Then if it can't find a license you will see the 'PTC Mathcad License Wizard':
If you just want to run the free version you just click 'Exit' and start using Prime Express:
You can later click on the Activate button to start a 30 trial if you want to. If you already bought a locked license and did all this just to see the 'HostID' you can go to the M' menu and choose 'Options':
And then look at the License tab:
You can click on the 'Copy All' button and paste that in a support case here https://support.alfasoft.com and we will generate a license file for you.