SNS is a primitive of Solana that allows the mapping of names to a Solana account. This permits many things including associating your Twitter handle to your Solana address.
You can only have one Twitter Handle registered per wallet address
Make sure to have enough SOL in your wallet. Registering your Twitter handle costs ~ 0.01 SOL
Select "Claim Twitter handle" and the steps will be outlined below. First, copy your wallet address
Next, tweet your wallet address
Copy the link of your tweet and paste it on our UI as per below
Select "Claim Twitter handle" and approve wallet transactions. Your Twitter handle is now registered
When signing the transaction make sure that you are signing with the correct wallet i.e. the same address as the one you tweeted
Unregister your Twitter handle
If you want to link a new or different handle to a wallet address that already has a Twitter handle linked, you would first have to unregister the current handle. There are two options to unregister your Twitter handle
Go to your profile page by selecting the icon next to your wallet address in the top right corner. Once on your profile page select the "x" next to your Twitter handle
And confirm that you want to unregister your Twitter handle
Follow the steps above to register another Twitter handle again. Remember only one Twitter handle per wallet address is permitted