If you need to uninstall or de-activate the addon follow the steps below:
- From the top menu of the NinjaTrader application go to tools.

- Click remove NinjaScript Assembly
- Select the TraderTheIndexesAddon

- Click the remove button.
- Click yes.

- Wait a few seconds and click the ok button.

- Click the close button.
- Restart the NinjaTrader application.

Once you restart the application, the addon will be removed completely.