Welcome to the last part of the Forest house tutorial. We started with modeling session, went through materials creation and now we are finishing the series with postproduction step-by-step tutorial.
First of all, grab the rendered channels archive available down there as a link, so you can comfortable follow each step contained in this tutorial.
However, before even starting this tutorial, we strongly recommend you to master basics of Photoshop, such as importing render channels, creating masks, adjustments. With this basic knowledge, you can easily follow this tutorial without a struggle.