How can I change the ISO settings on a Nikon D3300 camera?

To change the ISO settings on a Nikon D3300 camera, first, turn on the camera and press the "i" button on the back of the camera. Use the multi-selector button to navigate to the ISO setting. Press the OK button to select the ISO setting, then use the multi-selector button to choose the desired ISO value. Press the OK button again to confirm the selection.