Instagram is a popular social media platform where users can share photos and videos. If you want to post a screenshot of something on Instagram, there are a few steps you need to take. First, open the Instagram app on your phone. Next, tap the three lines in the top left corner of the screen. This will open your camera roll. Next, tap the screenshot you want to post and hold it down until it appears in the text field at the bottom of the screen. Finally, type a caption for your screenshot and hit “post”. ..