Steps:
In the Linktree app, tap the Add New Link button to create your link, or tap on the link you'd like to lock.
Below your link URL, tap on the Lock icon.
From the Link locked with options, select Code.
Enter the 4-digit code that your visitors will need to enter to unlock the link.
Provide a short Description of the locked link.
And that's it! The Code Lock is now activated on your link.
If you have any questions, please contact our customer support team by emailing support@linktr.ee