When installing the latest bd_tuner old version will be uninstalled.
The V3 uses a different folder structure compared to the old ones:
BD_TUNER_v3 is installed under "c:\program files\ae_bd_tuner\V3\
Use them as a start point and adjust (if needed) according to your preference.
These files are backup files.
Download and save on your computer.
In the AE_BD_TUNER pc software you can open these by:
SPEEDO menu and load to gui (or press CTRL+L) to watch the settings.
If you want to use the settings then do a write all to speedo (CTRL+W)