Gsnap Autotune wont work

I am on audacity version 2.2.2 and i tried to install the gsnap autotune

i extracted it using winrar and when i tried to enable it i got an error message saying "effect at C:\Program Files|Audacity|plug-in\Gsnap.dll failed to register

Audacity only accepts 32-bit plugins, even if your OS is 64-bit.