Razer has proprietary software called Razer Synapse that synchs your keyboard, mouse and game device configuration settings in the cloud.

FORBES: Macroing With The Razer DeathStalker Ultimate in Eve

One has to download Razer Synapse 2.0 first and install it (Windows Vista, Windows 7 and Windows 8 are all supported, according to the latest website information).

FORBES: Macroing With The Razer DeathStalker Ultimate in Eve

Or you can use the DATKs, which can be assigned to a macro, quickly recorded with the Macro Recorder button, or set manually in the Macro tab (via Razer Synapse).

FORBES: Macroing With The Razer DeathStalker Ultimate in Eve