OpenXR (Beta)

Please note that this method is still in beta, and might have unexpected or undocumented results.

1. Install SteamVR

Download and install from Steam page 

2. Install Varjo base

3. Install Epic Launcher

4. Install UE 4.23

Open Epic Launcher 

Go to Unreal Engine tab 

Install UE 4.23 

5. Enable OpenXR

Check from Varjo Base system tab that under the Compatibility the OpenXR is “enabled”

6. Open your project

Open your project using UE.

7. Enable OpenXR plugin

From “Edit”->”Plugins” find OpenXR plugin and enable it.

Press “Restart Now” to apply changes. 

8. Disable SteamVR plugin

From ”Built-In”, “Virtual Reality”, Disable SteamVR plugin, to make sure that the content runs against the OpenXR. Click “Restart Now” to apply changes. 

9. Run your project

To run on the headset or in Varjo software emulator, select “Play”“VR Preview” 

10. Check the Performance and Visual Quality guidance

Tune the project with the guidance from Performance and Visual Quality page.