Hi Carl. I'm Greg, a Volunteer Moderator and 10 years Windows MVP here to help you.
I'd use Microsoft Family Safety which is for this purpose. See how to set it up here: https://www.lifewire.com/microsoft-family-safet...
https://community.windows.com/en-us/stories/kee...
Troubleshoot any problems here:
https://answers.microsoft.com/en-us/windows/for...
Alternative paid software for Parental Controls that may work better and includes premium Support:
https://www.digitaltrends.com/computing/best-fr...
https://www.makeuseof.com/tag/best-parental-con...
I hope this helps. Feel free to ask any questions. Based on the results you post back I may have other suggestions if necessary.
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