Go to the correct CCleaner tool in Tools > Uninstall. You can use this to remove any listed app installed on your PC as long as it's included in the list of apps in the Uninstall section of CCleaner (see screenshot), and you're running one of these versions of Windows.
- Windows 8
- Windows 8.1
- Windows 10
Go to Tools > Uninstall, and you'll see a screen like this one (see screenshot). Select an app you want to remove (from the listed programs) and click Uninstall in the app window's top right to uninstall it from your PC.