サポート - Technical Support | Predecessor
How to switch to DirectX 11 on Epic Games Store?
Last update: 2025-11-21
Having performance issues while playing Predecessor on DirectX 12?
You may see improved performance by switching to DirectX 11. To do so, follow these steps:
- Open the Epic Games Launcher.
- Click on the first letter of your username in the top-right corner.
- Select Settings.
- Scroll to find Predecessor, then expand the section.
- Tick the box for Additional Command Line Arguments.
- Enter the following:
-d3d11
The next time you launch Predecessor, it will run using DirectX 11, which may help improve performance.
To revert back to DirectX 12, simply remove the command line argument.