How does Nikon d5300 get multiple exposures?

1. First, set the camera mode to a P A M S file, as shown in the following figure.

2. After adjustment, enter the shooting menu, as shown in the figure below.

3. Then, the multiple exposure mode is dark, as shown in the figure below.

4. If it is dark, you can't turn on multiple exposures. Just hold down the menu key and the I key at the same time, as shown in the figure below.

5. Press and hold for 5 seconds to turn on multiple exposures, as shown in the figure below.

6. Now you can choose multiple exposure mode, as shown in the figure below.