How to set up Samsung Pay on your Galaxy Watch 4

While there's plenty of things to do on your new Galaxy Watch 4, one of the most important is setting up your wireless payments. Using NFC payments on your phone is okay, but you gotta pull it out every single time, whereas your watch is always out and ready to go. That's why setting up Samsung Pay on your Galaxy Watch 4 is essential. If you're on a Samsung phone, you're already halfway there. If you're using a phone from another manufacturer, download Samsung Pay (Watch Plug-in) to your phone f...