So I did something wrong a while back on my Bluetooth icon which appear in the lower icon of my desktop. I asked to remove the link or something like that. After I did that, I could never get it back. Bluetooth Radio was not working and I could not find it anywhere! This was super frustrating, but I figured out how to fix it by going to this website:
In that article the author directs you to this download: Download and install it and the icon will come right back!