Click on the "Discover" Page
Search "Ontology Avatar NFT"
Click "Confirm" in the disclaimer pop-up window to enter the dApp
Click "CLAIM NOW"
Then confirm the payment in the pop-up window to finish the process
Click "Check My Avatar" in the "Claim Successful" pop-up window, or click "My Avatar" at the bottom right of the page check claimed Ontology Avatar NFT