TURN OFF AND TURN ON TIME FOR MY KIDS

1. HOW CAN I CHANGE MY PASS WORD?
2. CAN I CHANGE THE WAY OTHERS SEE MY NETWORK? IE CHANGE THE NAME.
3. CAN I SEE WHO IS LOGGED ONTO MY NETWORK? IE MY GRAND CHILDREN.
4. IS THERE A WAY FOR ME TO SET A TURN OFF AND TURN ON TIME FOR MY KIDS TO HAVE ACCESS TO MY INTERNET CONNECTION? IE OFF AT 10:00 PM, ON AT 6:00 AM.