reason 10 requirements (Oct 2017) requires 10.7+

[chrisNova777]

https://www.propellerheads.com/en/reason/faq

requires mac os X lion or higher
requires windows 7 or higher

Mac OS X:

Fast, stable internet connection for installation and registration required!
Intel Mac with dual core processor
4 GB RAM (8 GB or more recommended for large ReFills or Rack Extensions)
4 GB free hard disk space (program may use up to 20 GB scratch disk space)
Mac OS X 10.7 or later (64-bit)
Monitor with at least 1280x768 resolution
CoreAudio compliant audio interface or built-in audio hardware
MIDI interface and a MIDI keyboard recommended

Windows:

Fast, stable internet connection for installation and registration required!
Intel or AMD processor with dual cores
4 GB RAM (8 GB or more recommended for large ReFills or Rack Extensions)
4 GB free hard disk space (program may use up to 20 GB scratch disk space)
Windows 7 or later (64-bit)
Monitor with at least 1280x768 resolution
Audio Interface with ASIO driver
MIDI interface and a MIDI keyboard recommended

https://www.propellerheads.com/press/270-propellerhead-releases-reason-10-music-production-software
October 25, 2017