Select the MetaMask icon and unlock your wallet:
Select the “Assets” tab, scroll all the way to the bottom, and select “Add Token”:
Select the “Custom Token” tab and paste the contract address into the “Token Contract Address” field:
If the rest of the data is not auto-populated in the other fields, fill it in as well:
Select “Next”, confirm the token is correct, then select “Add Token”. The token should now appear in MetaMask.