(Right-click > Properties > Read Only). Note: If you don't do this, the game will overwrite the INI back to fullscreen the next time you launch.
Open the newly added d3d9.ini file in a text editor like Notepad. splinter cell chaos theory windowed mode
This is because the game’s rendering pipeline is hardcoded to initialize the Direct3D device with the D3DCREATE_FULLSCREEN flag. Without a wrapper to intercept and lie to the executable, you are stuck. (Right-click > Properties > Read Only)
Find the section labeled [WinDrv.WindowsClient] . splinter cell chaos theory windowed mode