Maybe you think UE4Editor seems too old fashion.
Maybe you think It should be more beautiful.
This plugin Give you a chance to Customize your editor.
Why don't you try it?

• 1.Download the zip file from Release page or Get this plugin from Unreal Marketplace.
• 2.Unzip files to Engine/Plugins or Project/Plugins(skip this step if you download it from Marketplace).
• 3.Enable UE4EditorCustomize plugin and restart editor.
• 4.Open ProjectSetting->UE4 EditorCustomize->Import Built-in Theme(Top of the setting panel).
• 5.You will meet a new editor.

Click This Link for detailed Documentation.

Setting Panel:

UMG Deisgner:

Importing UTheme: