If you are running Mac OS X 10.5 or 10.6, then you need to download and install the Focusrite Scarlett 2i2 driver 2.5 while if you are running Mac OS 10.7/10.8, you can download and install Focusrite Scarlett 2i2 driver 2.6. Method 2: Reinstall Focusrite Scarlett 2i2 driver on Mac. Scarlett IOS Interfaces Octopre Software Focusrite Pro Interface Finder Support Get started Downloads Help centre Contact Support Register A Product Explore Interface finder Who we are News and Events Sign up for Focusrite emails Plug-in Collective.