After installation click on the menu for the GDPR Cookie Consent plugin.
By default, the plugin will enable a notice bar for GDPR cookie consent.
Go to 'GDPR Cookie Consent > Cookie Settings' Menu and select 'General > Cookie Bar Usage for' option as ePrivacy.
After this ePrivacy Notice bar will appear on your website at the bottom. ePrivacy Notice bar can be displayed as Banner/Popup/Widget. You can also select a position for ePrivacy Notice Bar depending on the display type you have selected.
Visitors can click on Accept or Decline Button, which will set cookie 'wpl_viewed_cookie' Yes or No value.