Presonus Studio One 3 v3.2.1 Incl Patch and Keygen WiN OSX-R2R | WiN 183 MB | OSX 138 MB Studio One Artist and Professional are available direct from both PreSonus and music retail shops worldwide as both upgrades and full versions. Both Artist and Professional come as standard download versions, and can also be purchased with the entire program on an exclusive limited edition 64 GB USB flash drive.