Open the Instagram app on your device. This can be a phone, tablet, or other device that has the Instagram app installed.
Tap the profile icon in the bottom right corner of the screen to go to your profile. This is the icon that looks like a person's head and shoulders.
Tap the three horizontal lines in the top right corner of the screen, then tap "Settings." This will open the Settings menu for your account.
Scroll down and tap "Privacy." This will open the Privacy settings for your account.
Tap "Account Privacy." This will allow you to change the privacy settings for your account.
Toggle the "Private Account" switch to the "On" position. This will make your account private, meaning that only users who you approve can see your photos and videos.
Tap "Done" to save your changes. This will save the changes you made to the privacy settings for your account.
Once your account is private, only users who you approve can see your photos and videos.