In this tutorial, I'll be showing you how to get Photoshop for free. This is the only legal way to obtain a copy of Photoshop for free. One notable drawback is this version is many years old, but it has all the essentials needed to produce great work.
Direct Link: https://helpx.adobe.com/creative-suite/kb/cs2-product-downloads.html?promoid=19SCDRQK