However, Plesk is not open-source. To use it beyond a limited trial, you need a license. That license is activated using a . The trial key is a temporary subset of that license. What Exactly is a Plesk Trial Key? A Plesk trial key is a temporary, time-limited license key provided by Plesk (now a WebPros product) that allows users to activate the full suite of Plesk features for a specific period—typically 14 days .
wget https://autoinstall.plesk.com/plesk-installer plesk trial key
ssh root@your_server_ip