Launch your web browser and open the Instagram website. Sign in to your Instagram account when prompted.
Go to the Instagram profile whose profile picture you want to enlarge. Click on the profile picture to open it in an enlarged view.
In the enlarged view of the profile picture, you will see a new button added by Instazoom. Click this button to enlarge and take a closer look at the profile picture.
You can navigate the enlarged image with your mouse to take a closer look at different parts of the image. To close the enlarged image, simply click the "Close" button or use your browser's close button.