- At the Command prompt, enter -render. 
- At the Specify Render Preset prompt, enter the name of the render preset to use. 
- At the Specify Render Destination prompt, enter render to render to the Render window. 
- At the Enter Output Width prompt, enter the width of the image to render in pixels. 
- At the Enter Output Height prompt, enter the height of the image to render in pixels. 
- At the Save Rendering to a File? prompt, enter yes. 
- At the Specify Output File Name and Path prompt, enter the path and filename of the image file. 
Note: You can use the RENDERWINDOWCLOSE command to close the Render window.