<i>Flow Designer is available with the Now Platform. Build digital workflow apps and extend your ServiceNow solutions with a leading platform as your foundation.</i><p>You have to host it on their platform.<p>link:<p><a href="https://www.servicenow.com/products/platform-flow-designer.html" rel="nofollow">https://www.servicenow.com/products/platform-flow-designer.h...</a>