I purchased this several years ago, but due to being busy at the time, I forgot I even bought it and left it untouched. Therefore, the box has been opened, but the software is unopened, has a serial number, and of course, is unregistered. Instant purchase welcome! Thank you in advance! Koncept and Funktion DVD, a software sound source for drum production, by Pro Samples. - Brand: Pro Samples - Model Name: Koncept and Funktion - Media Type: DVD - Included Items: Manual - Genre: Drum Production Instrument Thank you for viewing.