An easy way to do it is just go to the app store click on your profile picture in the top right of the screen then go to downloads. Any apps that need to be updated will show up there.

LOL! I literally solved the problem 10 seconds after I made this post. It turns out I just needed to update the app manually, for what ever reason it needed me the do instead of just automatically...

One of the feathers I was most excited about in windows 10 was the Xbox one game streaming, but when I updated to windows 10 and went into the Xbox app I couldn't find any way to stream the games. I...