Gumroad – STEPper Add-on for Blender 3.1+

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: http://www.microsoft.com/en-us/download/details.aspx?id=40784

Visual Studio 2017 Redistributable for 2.93 and later: http://aka.ms/vs/16/release/vc_redist.x64.exe

Then, as you would normally through Blender for any Blender addon distributed through a .zip file: open Blender preferences -> Add-ons, and press "Install..." then choose the .zip file.