Solve technical problems (Onimusha 3: Demon Siege)

Change management:
Download the archive Microsoft_DirectInput_Mapper.zip here https://community.pcgamingwiki.com/files/file/58-microsoft-directinput-mapper/
Unpack and run install (run as admin).bat from the administrator
Start the game go to settings and select configure input
Customizable controls keyboard/mouse/joystick in its sole discretion

Widescreen mode:
Download the archive Onimusha3.WidescreenFix.zip here https://github.com/ThirteenAG/WidescreenFixesPack/releases/tag/onimusha3
Unpack the directory with the game
Run the game to full screen press alt+enter

One displays videos in windows 10 (along with the fix out of sync audio in the two videos):
Download archive Video fix.7z from here https://yadi.sk/d/OtlQHpWn3R8myC
Unpack into the game folder and confirm the replacement