To do that. Go to start and click on control panel. In there, click on Add/Remove Hardware. Find the software you download onto your computer. Click on it. It should be highlighted in blue. Then click on remove. It may ask you for confirmation. Click yes if it does. Then follow the steps on your screen. It may be automatic. If it doesn't remove. Go to start, then run. Type regedit. Something should pop up. Then click on the 2nd file and find software. then find your software inside the software file. Then go back to main and click on the third icon. Do the same thing again.