5) Fill all the required fields with your contact details and license info
6) Double-check the data you've provided.
7) Double-check in MetaMask that you've selected your Voting Key and you're on the required network.
8) Press SET METADATA button at the bottom of the page.
9) Confirm transaction in MetaMask and wait until the transaction is mined.
10) Open the PENDING CHANGES tab and verify your data in the list.
11) Ask fellow validators to confirm and finalize your request. The metadata-change request needs at least 2 confirmations by different validators and can then be finalized by any validator including yourself. Finalizing a request commits changes to the network.