Hey don’t feel bad, technology takes a while to get used to, and there’s just so dang much information it’s easy to get confused.
There’s a couple handy search engines to help you find stuff though, I used Google.com, and there you can quickly find dozens of articles.
Now, there’s a trick to knowing which one to trust, but checking several different sources and see if they say the same thing is a good start.
Here’s a representative summary I found from a good, reliable source - the BBC. It explains what happened, what can be proven to be illegal, and how it came to light.
Basically, Stormy Daniels whistleblowed on national TV. Trump committed crimes in funneling money. His attorney Michael Cohen went to jail for doing the thing, and has also provided evidence and leads against Trump.