What os does this Mobo support?

[Nwm_is_batman]

http://m.ebay.com/itm/MSI-Desktop-Motherboard-Intel-H81-Chipset-Socket-H3-LGA-1150-H81M-P33-/282210620617?txnId=1610887992018

I'm hoping windows 8.1 will work.

 

[Colif]

H8m1 P33 supports Windows 10, 8 & 7