Here are the steps for how you link your account to a different device:
1. On a new version of the game, go through the first tutorial to get to the Wold Map
2. From the World Map, go to the SETTINGS Menu
2. Press the ACCOUNT button in the bottom right of the Settings Menu
3. Now press the LINK TO ANOTHER ACCOUNT button.
4. Enter in you EMAIL ADDRESS and PASSWORD
5. Select your HERO (the Hero on the left will be the Hero you are linking to)
6. Confirm you selection
7. Congratulations you have linked your account!
If you need more information for setting up account linking, check our article about it here: https://gemsofwar.zendesk.com/hc/en-us/articles/202984335-How-do-I-set-up-Account-Linking-