Download your Metrum Drivers on this page.

For current Metrum product line + Menuet and Musette:

USB3 - HiFace2  - XMOS chipset

WINDOWS 7 - 8 - 10

WINDOWS XP - Vista

For Hex and Octave MK2:

USB1 - HiFace1 - Cypress chipset

Windows XP - Vista - 7

Apple OSX 10.9 Mavericks - OSX 10.10 Yosemite

For all other:

USB2 - Amanero chipset

WINDOWS 10

WINDOWS XP - 7 - 8