1. Download the Snapchat app: You can download Snapchat from the App Store (for iOS devices) or Google Play Store (for Android devices).
2. Open the app: Once the app is installed, open it on your device.
3. Tap 'Sign Up': You'll see a "Sign Up" button on the welcome screen.
4. Enter your name: Fill in your first and last name.
5. Create a username: Choose a unique username. Keep in mind that you can only change your username once a year, so choose wisely!
6. Set a password: Create a secure password. It's recommended to make your password at least 10 characters long.
7. Enter your birthday: You'll need to provide your birthdate.
8. Verify your phone number: Enter your phone number and verify it for account security. You can also sign up with an email address if you prefer.
9. Find your friends: You can allow access to your contacts to easily add your friends.
10. Accept the Terms of Service: Tap "Sign Up & Accept" to agree to Snapchat's Terms of Service and Privacy Policy.