Learn to enhance an image in Photoshop with ease

Open your file.

Press control+j to duplicate the layer. Change the layer mode to 'Screen'.

Go to filter>noise>Median and give these values :-

Image after applying Median filter.

Click on Add mask button to create a layer mask.

Go to Image>Apply Image and apply these values :-

Image after applying 'Apply Image'.

Go to filter>others>High Pass and give maximum radius value.

Group and merge all the layers. Our new image is ready. Compare the original and enhanced image.

Before :(

After :)