Invert/Fix Normal Map in Blender (OpenGL/DirectX)

Hi! My name is Simón Sánchez, I’m a general artist from Uruguay.I’ve been making stuff since I have a memory, I’ve always been interested in art aswell as in science.I’ve studied a career in Graphic Design and Art & Game Design in my country. I’ve also worked as a freelancer making Pixel Art for videogames and Graphic Design.