You may need to uninstall and then reinstall your software to solve certain problems or if you upgrade your operating system.
Windows 8: Select Control Panel from Settings, and then select Uninstall a program from the Programs category.
Windows 7/Vista: Click and select Control Panel. Click Uninstall a program from the Programs category.
Windows XP: Click Start and select Control Panel. Double-click the Add or Remove Programs icon.
Windows 8/7: Select Uninstall/Change.
Windows Vista: Click Uninstall/Change, and then click Continue in the User Account Control window.
Windows XP: Click Change/Remove.
In some cases, a message may appear to prompt you to restart your computer. If so, make sure I want to restart my computer now is selected and click Finish.
Double-click the Applications folder in your Mac OS X hard drive, select the application you want to uninstall, and then drag it to the Trash icon.