The Steinberg Key unlocks Steinbergs world of professional audio tools. Required to run any of Steinberg's new VST instruments released after 1st January 2005, Steinberg Key also offers additional movies and PDF documents on CD-ROM that provide in-depth information for further research on Steinberg products. Steinberg Key also enables users to run full featured demos of Steinberg applications. The Steinberg Key is the key to Steinbergs world of professional audio tools. The purchase of this license key is required to run any of the new Steinberg VST instruments released after 1st January 2005, as these products will not contain a USB hardware protection device. Users already using a USB dongle-protected Steinberg product are not required to purchase an extra key.