Mapsly exchanges data with your Pipedrive through its API and allows SSO (Single sign-on) so that your users log into Mapsly with their Pipedrive credentials. To start the trial, you must be a Pipedrive Administrator.
To start your Mapsly trial:
You can always find a full installation guide for Pipedrive in Mapsly help center. Click on chat icon 
at bottom right to contact Solution Engineer in case you need any help.