Make sure you extract the Odin files, you can't open it inside the Odin.zip
Here is
Prevail ROOT and CWM by Hroark13.
Just Place on Desktop
Right-click-->Extract All...
Power off your Prevail.
Hold down vol. up, camera, and power buttons until you see "Downloading..."on the screen.
Plug your Prevail into you computer.
Double Click "Odin"
Place the .ops in the .ops section.
place the boot.tar in the boot section.
place the phone.tar in the phone section.
place the pda.tar in the pda section.
Click "Start"
Let it run without distractions until it boots up completely then.. enjoy? hopefully