How to get the Maven project window in Intellij 14 | Update: cannot see the right side “tab bar” with Maven project

Question

I have a very simple question, but I Googled and somehow I couldn\'t find it. I was wondering how can I get the

Answer 1

I had similar problem until I right-clicked the option in POM "Add as Maven Project".

Notice: IDEA 2019.2 and I couldn't even find Maven in "Tool Windows" of the (existing) project before it.