Board Thread:Support Requests - Getting Started/@comment-46114698-20200619144331

I have tried everything, but this new editor is confusing me.

I go into the source editor and from the guides I've seen I'm supposed to type:

It doesn't do anything, can someone take me through the basics and not be as confusing and useless as the current official guides haha. 
 * Character (Or a link or something)