# 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:

1. Open the Epic Games Launcher.
2. Click on the first letter of your username in the top-right corner.
3. Select Settings.
4. Scroll to find _Predecessor_, then expand the section.
5. Tick the box for Additional Command Line Arguments.
6. 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.

Have more questions?