How to make an au and what are the rules

Here's some information I got off the internet:

Information for making an AU and :

One of them is a site and the other one is a video. You can take a look at both but if you're talking about making an AU for a certain andom, please tell me so I can help you. I know most rules about making AU's so you can ask me or others if you'd like.

a software engineer i believe

answeroverload;