Activate directly in Blender 2.8

BlenderKit add-on is a part of Blender 2.8 so you can enable it in a second.

Go to preferences, then open Add-ons.

Put BlenderKit in the search box and check Add Mesh: BlenderKit asset library.

Create an account and activate by pressing Login directly in BlenderKit settings or Profile tab in BlenderKit panel.

BlenderKit activate screenshot