In this tutorial, we learn how to reduce noise in RAW Therapee. First, open up your photo in the software that you want to reduce the noise on. Then, open up the detailed view of the photo and click on then click on the detail button. Through here, you can sharpen the image or you can change the noise reduction for the color and luminance. Click on the drop down menu for the luminance and then enable to checked section. Then, move the edge tolerance to its maximum to see the full effect on the picture. Do this for the color noise as well, to make the photo turn out just how you'd like it!