Wow, not trying to be rude, but did you even try looking at the installation instructions?
or the other info on the plugin pages? Are you using Multisite? Are you in Network Admin? Did you check the Sites menu in the Network Admin section? It's actually quite simple really.
And a 1 star because you can't take the time to read the directions? Ouch. Bummer. That hurts.
We'd have been more than happy to help you out if you had asked, and still wish you all the best. :)