The first step: first in the controlled computer to do some operations:
① Click "Start" in the lower left corner of the computer-"Control Panel"
② "Add or Remove user accounts" under "User account"
③ "Create a new account"-and set the permission to "Administrator"-"Set password"
The ④windows+r key pops up the run window and enters cmd
⑤ enter "ipconfig" to find the IP behind the IP4 and save them manually
Step two: Right "computer"-"Properties" and click "Remote Settings" on the left
Step three: Check "Allow Remote Assistance to connect to this computer"
Fourth step: OK, now the child's computer has been set up, open the parent's computer, the lower left corner of the "Start"-"Accessories"-"Remote Desktop"
Step Fifth: Enter the IP4 address you just saved, and then make sure that you find the newly created account and you can view the other computer.