Cakewalk Loop Manager is the easiest way for STEAM users to install and utilize premium loop content inside of Cakewalk Music Creator 6 Touch, SONAR X3, or any Windows based Digital Audio Workstation (DAW) that supports REX/WAV/MIDI files. All content is conveniently delivered into STEAM's Cakewalk Content Library.
Cakewalk Loop Manager is free to play for all STEAM users and includes 150MB of royalty free demo content. - with more to come.
Read more here