If you have purchased a DJ for iOS license or subscribed to Serato DJ Suite, follow these instructions to complete activation:

1. Open Serato DJ for iOS
2. Tap “Sign in” and then “Continue” when prompted that “Serato DJ” Wants to Use “serato.com” to Sign In”
3. You will then be directed to log in to serato.com, enter the email address and password associated with your serato.com account
4. Tap the “I am human” checkbox and complete the CAPTCHA
5. Tap “Sign In”
6. Serato DJ for iOS should now be activated

If none of these suggestions help, please open a help request, providing as much detail as possible, including the email you purchased the license with, and the error code or any troubleshooting you've already tried.