Download and open the Instagram app or go to instagram.com
Tap Sign Up or Create New Account
Enter your email address or phone number
Enter your full name
Create a username
Create a strong password
Enter your date of birth
Tap Next or Continue
Verify your email address or phone number
Add a profile photo if you want
Set up your profile details
Choose whether to connect contacts or skip
Adjust your privacy and account settings
Start following people and posting content