djay Pro for Windows can be purchased from Microsoft Store.

Please refer to the Hardware diagram below for the functions controlled by DDJ-200.
[Hardware diagram for djay Pro for Windows]

Operating environment for djay Pro for Windows 
For the latest information on the operating environment of djay Pro for Windows, please visit Microsoft Store.
https://www.microsoft.com/en-us/p/djay-pro/9nblggh4vm4h?activetab=pivot:regionofsystemrequirementstab