This won’t be relevant to you if you are using a different trading platform.
Internet Explorer is the browser you must use to access this site.
When you are on the go, you can use their Android app.
I am toying with the idea of creating a User Guide for this system if there is an interest in it. Its User Guide (Getting Started menu option) is too basic.
Let me have your vote in the comments and we will take it from there.