Click and select the dualcore.dll you placed in the bin folder.
Please note that game compatibility and fixes can change over time. For the most up-to-date information, check the game's official forums or support pages. far cry 4 dual core fix extreme injector link
Uncheck "Auto-Inject" in settings. Start the game, then quickly switch back and click Inject multiple times as the game loads. Click and select the dualcore