Gumroad – STEPper v1.x for Blender 2.8

Addon for importing STEP files directly into Blender 2.80+. The produced mesh is a triangulation of the underlying surface with normals built from the shape.
Requires Windows 10 64-bit, Blender 2.8+ with Python 3.7

Install: Install Visual Studio 2013 Runtime from: https://www.microsoft.com/en-us/download/details.aspx?id=40784

Then, as you would normally through Blender for any Blender addon distributed through a .zip file.

Uninstall/update: Restart Blender, remove addon from the user preferences.

BA thread: https://blenderartists.org/t/step-import