SoftStep Downloads

Please note: The SoftStep Editor software is backwards compatible with all previous versions of the SoftStep hardware by Keith McMillen Instruments.

SoftStep Editors 

SoftStep Editors v3.0.3 for MacOS

SoftStep Editors v3.0.3 for Windows

SoftStep Legacy Downloads

Web directory listing with older editors, firmware, and development tools. NOTE: firmware version 0.9.8 is compatible with older editors using the SSCOM port names.

SoftStep Legacy Downloads

SoftStep Documentation

SoftStep Manual v3.0


12 Step Downloads

Please note: The 12 Step Editor software is backwards compatible with all previous versions of the 12 Step hardware by Keith McMillen Instruments.


QuNexus Downloads


BopPad Downloads

BopPad Editors v1.1.1

BopPad Editor Software v1.1.1 for MacOS (Universal Binary)

BopPad Editor Software for Windows v1.1.1

BopPad Web Editor

Web MIDI compatible browsers only. Currently; Chrome, Opera, and Brave. ** Windows: if using Chrome versions 58 – 60, you must disable a flag in the browser, go to: chrome://flags/#enable-midi-manager-dynamic-instantiation and set it to “disabled” and then restart your browser.

BopPad Web Editor v1.1.1 (link to the editor)

BopPad Documentation

BopPad User Manual v1

BopPad Software Templates

BopPad Quad MPE Preset

BopPad Soundiron Apocalypse Percussion Templates

Apocalypse Percussion Elements

Bitwig Studio 8-Track KMI Control Scripts and MPE Template v1.3

BopPad Ableton Live Template

BopPad GarageBand Template

BopPad Logic X / Mainstage 3 Template, for the EXS24 Sampler

Quick start template for Logic X / Mainstage 3, for the EXS24 Sampler (with samples) [172MB]