See all details here: PLAXIS - Subscription Entitlement Service for PLAXIS 2D CONNECT Edition, PLAXIS 3D CONNECT Edition, and PLAXIS Monopile Designer CONNECT Edition.
Please see this page for the features available for the license options: PLAXIS 2D/3D CONNECT Edition licenses
In order to set up your PLAXIS and PLAXIS MoDeTo licenses properly, and get tips on administrative tasks related to licensing management, see this page: PLAXIS CONNECT Edition: Flexible license solution
Legacy PLAXIS products require the CodeMeter dongle with active licenses for the appropriate PLAXIS 2D, PLAXIS 3D, and/or PLAXIS MoDeTo in order to run. It is not possible anymore to obtain these. This includes: