Switch from Minerstat to Hive OS

Hello I got a Mining Rig with 8 X 580 Sapphire nitro, connected to a minerstat account, I did not build this rig someone else did it for me. Now I wanna flash Hive OS in My Rig SSD, How do I start, first I must flash with baleenna Hive flashing and download Hive OS beta in a USB key, right now to flash my USB key I ve made with a windows 10 PC> to MY RIG ssd, how can I manage to do that?

I’m newbee into that some help would be greatly appreciated.

Regards