AC1750 C6300 Parental conrols how to

You own a C6300?

 

Visit the support pages:

Support | NETGEAR

and feed in your model number and check the documentation for your hardware.

See the section Set Up Parental Controls.

You may have done this already, but I can't tell from your message.

 

Your device is too old to support the newer Circle service.

 

Which NETGEAR routers support Circle Smart Parental Controls? | Answer | NETGEAR Support

 

You might get more help, and find earlier questions and answers about your hardware, in the appropriate section for your device. That's probably here:

Cable Modems & Routers