The Bathroom Project

I've had this wallpaper for months and now I'm wondering if I can get it up before the HGTV crew comes. I would jump in and do it but the problem is I don't know how to wallpaper! I didn't know how to rewire a chandelier and I taught myself that so I don't know why I'm letting this wallpaper thing intimidate me. Well, that's a lie, I do know why. Back in the 80s I tried to add a wallpaper border