Select the trader wallet and click the "Track" button.
Select Wallet
Alternatively, you can click the wallet to get a more holistic view of the wallet and more comprehensive details, and then select the "Track Trader" button.
Track Wallet
Enter a tag for the wallet and click the "Track Trader" button.
Track Trader
Once successful, the wallet is now tracked and shows up on the Tracked Wallets tab on the dashboard.