Tutorial. What is Instagram ?.
Like and comment other people’s photos. Whether you are scrolling through your news feed or viewing images under the popular tab, you can show your interest by liking or commenting on them. To like a photo, you can either press the heart shaped button just under the photo, or you can double tap the image. To comment on a photo, click the small comment-bubble icon and type your comment when the keyboard appears.
View your own profile. To see an archive of your uploaded photos as well as a complete list of who you’re following and who your followers are, you can visit your profile tab on the far right side (a square icon with a bubble and stripes inside of it). Here you can see all your photos, edit your Instagram user profile, and add or disable social networks under “Edit sharing settings”.