Instagram is by far the Social Network where Influencers, Marketers and Shops make the widest use of Link In Bio. This is due to the fact that Instagram doesn't allow authors to place links directly into their posts.
The good news is that it's very easy to locate the Link in Bio on Instagram, both as a visitor and as an author.
Where is the Link in Bio on Instagram?
As a user, you might find the Link In Bio phrase or the #LinkInBio hashtag in a post from a Shop or an Influencer you follow. It will look like this:
This indicates that you can find the Link in the biography of the influencer. So tap on the username of the author, either at the top or at the bottom of the post, as shown below.
You will now be redirected to the profile of the author. The Link in Bio is shown at the bottom of their biography and you can just tap it, to be redirected to the product or information you were looking for. See a sample below: