Want to install King of Thieve stickers for iMessage? Well, it's easier than you can imagine! (iOS 10 is required)

1. Open iMessage and start a conversation

2. Tap on the   icon

3. Tap on the   icon

4. Then tap on the Store icon  

5. Choose "Manage"

6. Enable King of Thieves stickers.

Now you can send them to all the friends from in your contact list :)