See all details here: PLAXIS - Subscription Entitlement Service for PLAXIS 2D, PLAXIS 3D, and PLAXIS Monopile Designer.
Please see this page for the features available for the license options: PLAXIS 2D/3D licenses
In order to set up your PLAXIS and PLAXIS Monopile Designer licenses properly, and get tips on administrative tasks related to licensing management, see this page: PLAXIS: Flexible license solution
All dongle/hardware lock (HWL) based versions of PLAXIS 2D/3D are treated as "V8i SELECTseries 10" according to Bentley's Support Policy. This means that Bentley will discontinue support for hardware lock based versions of PLAXIS after December 31, 2021. This includes PLAXIS 2D 2019 and older, and PLAXIS 3D 2018 and older.
To see the benefits of the latest versions and how to get the latest version, please see PLAXIS CONNECT Edition: upgrade from Hardware lock to Flexible licensing
PLAXIS legacy versions 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: