When you first launch Reason 12.5.0, you must configure your hardware:
5.5 GB for the main program, plus up to 20 GB additional for optional content and scratch space. Reason Studios Reason 12.5.0 [WiN]
Audio interface with an ASIO driver is required for low-latency performance. 2. Installation Steps When you first launch Reason 12
Ensure your Windows PC meets the following minimum specifications for stable performance: Windows 10 or 11 (64-bit). When you first launch Reason 12.5.0