There's an H9 FAQ item that recommends a few Windows Bluetooth devices that we've been able to successfully use to pair to an H9 from a Windows PC:
https://www.eventide.com/Home/Eventide/AudioDivision/Products/StompBoxes/H9_FAQ1.aspx#H9c3a
H9 Control doesn't run on Windows RT, because that's not an Intel based processor.
