GameWindow.Main

Returns

GameWindow The main GameWindow instance.

Description

Gets the main window of the application.

Returns the main window without allocating memory on repeated calls. This property is not thread-safe; use only from the main thread.

using UnityEngine;
using UnityEngine.Windowing;

public class MainWindowExample : MonoBehaviour
{
    void Start()
    {
        GameWindow mainWindow = GameWindow.Main;
        Debug.Log(mainWindow != null ? "Main window acquired." : "No main window.");
    }
}