After activating Gunter, you will see this notice:
Click Begin installing plugins. You will be navigated to Install Required Plugins page.
Simply check all of them (or all of required plugins and some recommended plugins you like) and from the drop down select Install, then hit Apply.
After Finish next, go to Plugins >> Installed Plugins check all of them and from the drop down select Activateand hit Apply
Required plugins: WPBakery Page Builder, Kena Toolkit,
Revolution Slider, Advance Custom Field Font Awesome and
Advanced Custom Fields PRO.
Recommended plugins: Contact Form 7, Newsletter and One Click Demo Import.