1) Search a hashtag that interests you in Instagram.
2) At the top of the hashtag landing page, you’ll see a “Follow” button. Click on it.
3) Now you’ll be able to see the best posts under that hashtag in your regular Instagram feed and your Instagram Stories bar. Below is an example of what a photo from a hashtag you follow looks like in your feed. You can choose to unfollow a hashtag any time.
4) Other users will also be able to see what hashtags you follow by tapping on the “Following” section on your profile. Your Following list will be separated by “People” (AKA the users you follow now) and “Hashtags.” It’ll look like this: