Our home has wireless, and we just purchased a laptop for our 13 year old daughter. We want to set a password for Internet access so that she cannot get on the Internet on her computer unless we sign her in. Since we have wireless, it automatically connects. While keeping the automatic connection on our computer, how can we set our daughter's computer to require a password for Internet explorer?

Its called parental control software which you will have to buy and install. I think this website will explain. All of this information is available on Google, there are several options and websites.

www.kids-safety-klub.com/internet-child-safety.html

This can be controlled using your router. Many routers have parental controls you can use. Also you have parental controls under Win 7. Set up a non admin account for her to use. You can set up controls in the Account