...
Yes, you can
...
try Engrafo for free
...
Just follow the installation guide. You will here also find a link to download the software.
for 3 month
...
Please send a mail to: contact@engrafo.dk with “Free trial” in the subject-field. You will shortly after receive a download link and a license.
After that, you can follow this link to get installation instructions:
→ Installation - server/desktop
You are of course also welcome to contact us on contact@engrafo.dk for any inquiry you might have 
Visit our website on engrafo.eu for more information
...