Want to learn image processing? Don't worry, PS software is your good helper! There are many PS tutorial videos online, so follow them and get them easily.

Open the original image and copy one layer.

First, open the original image, copy one layer, select Filter-Blur-Gaussian Blur, and adjust the value as needed.

Reduce the saturation and change the layer mode.

Then click Image-Adjust-Hue/Saturation to reduce saturation, and the layer mode is changed to "Positive Overlay".

Curve adjustment layer, easy to adjust the light and shade.

Create a curve adjustment layer to easily adjust the brightness of the image.

Gradient tool, soft light mode

Create a new layer, select the gradient tool, find your favorite gradient effect in the drop-down menu, pull the gradient from the upper left corner to the lower right corner, and change the layer mode to "soft light".

Starlight embellishment, superposition mode

Finally, create a new layer, decorate some starlight with a white brush, and set the layer mode to "Overlay". You're done!