I need to resolve this error, I already have the Key API but I do not know where to insert it.

Google Maps JavaScript API warning: NoApiKeys https://developers.google.com/maps/documentation/javascript/error-messages#no-api-keys
jw.j @ util.js:220
util.js:220 Google Maps JavaScript API warning: SensorNotRequired https://developers.google.com/maps/documentation/javascript/error-messages#sensor-not-required
jw.j @ util.js:220
util.js:220 Google Maps JavaScript API warning: RetiredVersion https://developers.google.com/maps/documentation/javascript/error-messages#retired-version

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