In order to activate the integration you need to choose:
1. Configuration > Integration > Other
3. Then you need to activate Google Analytics and fill in Google account ID.
In order to use Enhanced Ecommerce in the "Analytics engine" field you should choose "Universal Analytics" and below set "Yes" next to "Enhanced Ecommerce".
4. The integration also requires activation in 'Google Analytics panel'. You can do this in
"Admin" > "Ecommerce settings" by turning on “Enhanced Ecommerce Reporting”
5. After doing those changes, Google Analytics will start registering more detailed data about user behavior in the store. Collected information may be found in
Conversions > Ecommerce.