There are some websites available that can help you to view Instagram without an account. If you are also searching for these types of websites then read below to learn more:
1. Imginn: It is a free online service that helps you to see the profiles of your friend without an account. You just need to type the username of the person and search for them. You can also save the images of them here.
2. Dumpor: Open the website in your browser and search for the person by their username.