The Qlik REST Connector doesn't require a license. You can download the connector from the Qlik Download site - Try or Buy
Click the Qlik Connectors tab > select the preferred language > select Qlik REST Connector in the product listbox.
The screen capture shows that you are not logged in to qlik.com. Do you have an account? If yes, then you'll need to login. If not, then you need to create an account and then login. Suggest you reach out to Qlik Customer Support (formerly Qoncierge) for assistance. You can reach them here: Qlik Support