Only the Motive Driver version 1.10.x and earlier are fully compatible. Version 2.0+ requires Windows 10 or 11.
OptiTrack Motive drivers for Windows 10/11. Download Motive Driver for PC -Windows 11 10 8 ...
The is not a single file but a core software suite developed by NaturalPoint (now part of Fortuna Motion Sciences ). It enables: Only the Motive Driver version 1