npm install
npm start
http://localhost:3000
If you don't have bower then I did this:
npm install -g bower
If you are connected to the SAP-Corporate network or through the VPN, please activate the proxy in the server.js file.
global.useProxy = true;
If the proxy is needed but not activated, the UI will be OK, but all the queries to external services (like RecastAI for example) will crash.