Things You'll Need
Instructions
Install the Neat Image plugin from the website www.neatimage.com/download.html.
Restart Photoshop after you install the plugin.
Go to ̶0;Filter,̶1; and click ̶0;Neat Image.̶1; Select the ̶0;Noise Filter Settings̶1; tab. Go to ̶0;Recent Preset̶1; and choose ̶0;Advanced,̶1; then ̶0;Remove only half of weaker noise.̶1; This activates the Neat Image plugin and creates a new layer.
Go to ̶0;Filter̶1; and choose ̶0;Smart Blur.̶1; Type ̶0;0.6̶1; in the ̶0;Radius̶1; box, and ̶0;8.6̶1; in the ̶0;Threshold̶1; box. Choose ̶0;High Quality̶1; and ̶0;Normal Mode.̶1; This creates a photograph with minimal noise and grain.