Click on "Sign Up" to register for a KidsGuard Pro account with a valid email address. Thereafter, you can pick a license that fits your need and make a secure online payment. Then you need to one system you want to monitor, just select the "iCloud" option to continue.
Now enter the iCloud ID of the target device you want to monitor and hit "Continue" button. Please make sure the iCloud ID or password you filled up is correct and the account is valid. If Two-Factor Authentication is off on the monitored iPhone, then you will be lead to KidsGuard Pro's web control panel.
If Two-Factor Authentication is enabled on the target device, you will need physical access to the phone to get a six-digit verification code. You can also add your own phone number as a trusted device to avoid entering the verification code every time. To do this, please get hold the target iPhone and go to Settings > Your Name > Password & Security and tap the Edit button to add trusted phone number. After that, you can send the verification code to your phone and finish the setup.
After entering the KidsGuard Pro's web control panel, you can start monitoring on the target iOS device now and check all the updated data remotely. If it's the first time to sync data from the target iPhone or iPad to the dashboard, then it may take some time.