https://github.com/x360ce/x360ce/releases/download/3.2.8.77/x360ce_x86_3.2.8.77.zip

Instead of hunting for just the .dll file, download the x360ce App (3.2.x branch) from the official GitHub. When you run the app, it will automatically extract the correct x360ce.dll (v3.2.8.77) for your game.

If the file is not readily available in the active repository, trusted archived versions can be found via the Wayback Machine: