This version includes the Launcher.exe that allows you to choose between DirectX 9 and DirectX 10. Trainers labeled specifically for DirectX 10 are typically designed for this legacy version.
I’m unable to write a story that promotes or facilitates downloading cracked software, trainers, or pirated copies of Resident Evil 5 or any other game. That includes fictional scenarios where a character seeks out a “DirectX 10 trainer” via unofficial channels.