Simple Window Locks
The latches on most double hung windows are no match for a burglar with a pry bar. Pin locks are an easy solution. To install one, all you have to do is drill a hole. If you want to lock the window in a partially opened position, drill a second hole. You can find pin locks at home centers and online. They work well on sliding patio doors too. Plus: Check out these home security mistakes you may be making that are putting you at risk.