When you fire it up, it will ask you for your language and then start a wizard of sorts. Choose the last option, "Find lost drive". With any luck, you'll be able to restore it.
If the partition you have deleted has since been repartitioned and written to since you've deleted your data, then recovery chances become very slim.
or you could just download Winhex and that will solve all your issues even if there are no hard drive flags on the drive you will still be able to get most of the info back.