To enable the GDPR Cookie Notice in Magento 2, follow these steps:

Step 1. Ensure the MageDelight Magento 2 Cookie Consent (GDPR) Extension is installed in your Magento 2 store.

Step 2. Go to the Magento Admin Panel >Stores > Configuration >MageDelight > GDPR Cookie Consent.

Step 3. In the 'General Settings' section, find the option to enable the GDPR Cookie Notice. Set it to "Yes" to activate the cookie consent banner on your store.

Step 4. After making the changes, click "Save Config" to apply the settings.

Read this guide on How to Configure Magento 2 Cookie Consent (GDPR) Compliance Extension in Magento 2 Store to setup this extension.

Here are the another resource to help you get most out of this Magento 2 Cookie Consent (GDPR) Extension.

• Magento 2 GDPR Checklist – Comprehensive Guide for Beginners