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
How to install Plaxis with a network CodeMeter dongle (grey USB key).
Note: trouble shooting tips are updated for CodeMeter Version 6
Codemeter Drivers [Downloads]
CodeMeter network error during calculation (IPv4/v6 conflict) [Tips and Tricks]
PLAXIS Silent Installation [Tips and Tricks]