Whether you're updating to the latest version of watchOS (check out our watchOS 7 review for more on the new features) or considering a beta install, it's always good to have troubleshooting steps on hand just in case things get out of hand. While everything should — and usually does — go smoothly, once in a while, these simply don't update or install the way you'd expect. Sometimes it's a connection issue. Sometimes it's a verification error. Sometimes it won't reboot. And other times it just... does nothing.
If you can't install watchOS 7, here are a few things you can try.