How do I implement an 2D windowed app with Unity?

Hi, folks

I have developed an App, PinoFBT (https://play.google.com/store/apps/details?id=com.pinosoft.pinoquest&hl=zh_TW&pli=1), on Android. PinoFBT is developed with Unity, so I plan to add inside-out body tracking and migrate it onto Quest Store with the native body tracking data from Meta XR all-in-one SDK (https://assetstore.unity.com/packages/tools/integration/meta-xr-all-in-one-sdk-269657) and Meta movement SDK (https://github.com/oculus-samples/Unity-Movement.git). However, after I installed Meta XR all-in-one SDK, my PinoFBT project became VR immersive from a windowed app. I need to keep it as a windowed app. It looks Meta XR all-in-one SDK has forced it into the VR immersive. Could you guide me on how to set it back to the windowed app? Thanks!