It's simple, just like the hyperlink you insert in your wordpad docs. In the same way select the keyword which you want to highlight with the link and you will see the option of hyperlink in your blog after the selection of keyword.
Instagram's internet address and your Instagram username are separated by slashes in your URL. My Instagram username is @founder, and hence the URL https://www.ghostwritingfounder.com/ would direct visitors to my profile.
In your URL, slashes separate the Instagram internet address from your Instagram username. Because my Instagram username is @founder, the URL https://xmudderwheel.com/off-road/rim-size/18-inch/ will take them to my profile.