Good Esp Tutorials?

If anyone knows any good tutorials on what to use and where to start when trying to create an esp that would be amazing! thankyou in advance

Check out this thread I posted 8 years ago! It's a guide by wonderful people called sreaG and Deltron: https://www.mpgh.net/forum/showthread.php?t=135531
Images are broken due to age, but the guide itself is in depth enough to be able to understand it.