If you are in a situation where you are forced to use the ancient 5.0 version (e.g., legacy government software or an old locked-down PC), here is the reality of getting it for "free" today:
You’re a linguist, translator, student, or heritage speaker needing one or two uncommon keyboards for personal use.
: Current versions of Keyman can still load keyboard files created for version 5.0, but older version 4.0 files often require recompilation using Keyman Developer How to Get the Current Software Keyman Downloads
