photorealistic materials hos to do?

Support Materials and Textures
1

I saw the video on photorealistic materials


the program they use is a license, there is an alternative free?
I tried to do a search on the forum but the post or are old and forgotten or are closed

thanks

Nevarim

2

if you mean the software he used to create the normal map, there is a free online version:

http://cpetry.github.io/NormalMap-Online/

3

AwesomeBump might be an alternative: