Unity 5.2.2 changing Visual Studio back to MonoDevelop

Is there any way to change default script editor in unity to MonoDevelop? Using Visual Studio is very complicated and slow.

How do I change to MonoDevelop in Unity?

Setting Up MonoDevelop You should check that MonoDevelop is set as the external script editor in the Preferences (menu: Unity > Preferences and then select the External Tools panel). With this option enabled, Unity will launch MonoDevelop and use it as the default editor for all script files.

How do I change the version of Visual Studio in Unity?

In the Unity Editor, select the Windows > Package Manager menu. Select the Visual Studio Editor package. If a new version is available, select Update.