You can claim your bio link by choosing a username and picking a theme for your YouTu.Bio page. Once you have published your page, you can add all the links you want to include, including social media, website, merchandise, and any other links. You can use your YouTu.Bio link everywhere, including on Instagram, Twitter, Tik Tok, and in your email signature. Plus, you can earn more by placing affiliate and sponsor links in a special way on your YouTu.Bio page.