When installed, PlayIt Manager will include an Uninstall shortcut in the Start Menu.
If you chose not to add Start Menu shortcuts the Uninstaller can be found at (by default):
C:\Program Files (x86)\PlayIt Manager\uninstall.exe or
C:\Program Files\PlayIt Manager\uninstall.exe
Double-click the icon to start the uninstall process. Click Uninstall to remove PlayIt Manager.