Open Instagram: Launch the Instagram app on your smartphone or visit the Instagram website on your computer.
Navigate to the Profile: Locate the profile of the person whose picture you want to zoom in on. You can do this by searching for their username or finding them in your followers or following list.
Tap or Click on the Profile Picture: On the profile page, you'll see the user's profile picture. Tap on it if you're using a smartphone, or click on it if you're using a computer.
Zoom In: Once you've tapped or clicked on the profile picture, you can zoom in by using the pinch-to-zoom gesture on your smartphone or by holding down the Ctrl key on your keyboard and scrolling up with your mouse wheel on your computer.
Explore Details: Zoom in as much as you need to see the details of the profile picture clearly. You can then take a screenshot if you want to save the zoomed-in image.
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