From GO Dev Team:
You may get this premium theme via: a. Get it Free by installing few sponsored free app - Need to upgrade your GO Weather app to the latest versionb. Buy this theme individuallyc. Upgrade to VIP and get all widget themes and live backgrounds freeThank you so much for your support. How to apply a weather widget theme? 1. Make sure you have installed the latest version of GO Weather EX2. Add a GO Weather widget on your homescreen and select the theme you like.