Don't Forget Your Windows(Two)
Double hung windows (up and down)
You can prevent these from raised form the outside by drilling a small hole through both the window casing and the window frame and sliding a nail painted to match the window into the hole. Simple easy and very effective
Casement and Awning Windows
Securing these designs requires installation of locks specially designed to prevent these windows being swung open. Locks are available that will either prevent the handle from being turned or fasten the window to the frame. The design that actually secures the window to the frame would seem to be more secure. Again these locks are available at your home store and are easy for a DIY'er to install themselves.
Basement windows
No matter what style of window you have in your basement they're always going to be a challenge to secure primarily because of where they're located. Break resistant glass and pins or locks securing the window to the frame will definitely help, but security bars are probable the best defense. Decorative bars that can be painted to match your home's trim are available and if you use them, your home won't look like a branch office of the state prison.
