This is important if you play Clash of Kings.
Since nobody likes losing their accounts, so please watch this video from the Clash of Kings YouTube channel about how to backup, restore and transfer your Clash of Kings. This is a must-see video for all the people who are playing the game.
In short, to protect your account, you need to bind it to your Google+/Facebook (on Android) or your Game Center/Facebook (on iOS). If you are playing the game on your computer from the Facebook App Center, then don't worry because your account is already saved to your Facebook!
NOTE: The video is an easy, step-by-step guide from the developer.