How I Use Generative Fill to Change the Background in Photoshop

The new AI powered Generative Fill has quickly become my most used tool in Adobe Photoshop to quickly change the background of my photos. Take this one for example, it's a boring iPhone photo of my truck after a recent flurry of snow, but with a quick AI background swap it's suddenly teleported from an empty car park to a picturesque lake with snow capped mountains. So let me show you how it's done...