Password protection for my internet connection.?

[Joey]

there should be a button on your roughter that looks like a lock push/ hold that something should pop up ( im not 100% if that will work lol ) if it does then just set up the password if not look at the bottom left corner click your internet then right click it it should say set up password or propritys click it then there should be a option to set one up then randome pepole cant get on your interent