Then go to the setup area and enter what the Longitude and Latitude and altitude of your home and enter it in. If you don't know them, just type "[Yourhome] Latitude longitude" in Google and you should get a number of results.
Now you will see the sky as it should appear to you at the current time. It constantly updates based on the computer's clock. Absolutely marvellous. We installed it on one of our laptops and then went outside and matched up Mars, Pollux, Saturn and lots more.
Now stargazing is much easier!
(You can even see what the star would be when viewed from another planet!)