There is only an old and not maintained anymore version : 2.1
The best way is to install OCS in a Linux VM (run good on hyperV).
OCS server has allways be made to run on Linux or Unix server and with windows port was made for testing (bad performance, bad security and hard to maintain correctly). Today, one of the major componant of OCS server don't run anymore on Windows. We plant to change it, but it need many time to rewrite all the impacted code.