You're a parent. You use Google Family Link to help provide parental controls on your child's Android devices.
(As Google admits, no parental-control software is perfect. Therefore, you also keep all your child's devices in your own bedroom every night, until the child is old enough to need overnight smartphone access.)
It's true that you can use the "Family Link for Parents" app to change your child's Family Link rules. But perhaps you'd rather not use any app.
How can you change your child's Family Link rules using a web browser?
Edit: Question moved
It sounds like this question is off-topic for Parenting SE. I have reposted the question elsewhere.