You can uninstall any software that has accepted anytime through Add and Remove Programs of Windows in any of its versions. In some software you may need to restart your computer to remove any remaining traces like Cookies, RegistryKeys.
Windows 7 & Vista
From the Start Menu, select Control Panel.
Under Programs click the Uninstall a Program link.
Select the program you wish to remove and right click then select Uninstall/Change.
Follow the prompts to finish the uninstallation of the software.
Windows XP
From the Start Menu, select Control Panel.
Click the Add or Remove Programs icon.
Select the program you wish to remove and click on the “Remove” or “Change/Remove” button.
Follow the prompts to finish the uninstallation of the software.
Windows 95, 98, Me, NT, 2000, and XP in Classic View
From the Start Menu, select Settings, and then Control Panel.
Double-click the “Add/Remove Programs” icon.
Select the program you wish to remove and click on the “Remove” or “Change/Remove” button.
Follow the prompts to finish the uninstallation of the software.