In Preferences > Control Surfaces , use "Easy MIDI Inputs" to auto-detect your MIDI keyboard or controller.
Ensure your Windows PC meets the following minimum specifications for stable performance: Windows 10 or 11 (64-bit). Reason Studios Reason 12.5.0 [WiN]
5.5 GB for the main program, plus up to 20 GB additional for optional content and scratch space. In Preferences > Control Surfaces , use "Easy
Select your preferred language and install location. You can also choose to install the Reason Rack Plugin (VST3/AAX) during this step. Select your preferred language and install location
Go to Edit > Preferences > Audio . Select your audio interface's ASIO driver . Set the Sample Rate (typically 44.1 or 48 kHz) and Buffer Size (lower values like 256 reduce latency for recording).
When you first launch Reason 12.5.0, you must configure your hardware:
To properly install and set up on Windows, follow this guide based on official Reason Studios documentation and installation manuals. 1. System Requirements & Preparation