Keith McMillen Instruments 12 Step w/ MIDI Expander

Keith McMillen Instruments active
controller
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Current Firmware

1.0.7
Firmware is bundled with the 12 Step Editor software. Download the Editor for your OS (Mac or Windows) from keithmcmillen.com/downloads/, install it, connect your 12 Step via USB, and open the Editor — it will detect and prompt you to update the firmware automatically.

Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.

Firmware pageopens in a new tab — keithmcmillen.com

Prices

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Firmware History

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Manufacturer page →opens in a new tab — keithmcmillen.com
Manual →opens in a new tab — files.keithmcmillen.com
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