You can set up GA4 (Google Analytics 4) with GTM easily using MageDelight's GA4 with GTM Support Extension for Magento 2.

Follow this How to Setup Magento 2 GA4 (Google Analytics 4) with GTM to setup set up GA4 with GTM using this extension.

Here are the few more resource to help you get most out of this Magento 2 GA4 with GTM Support Extension.

• How to Add Google Analytics 4 (GA4) with GTM in Magento 2
• How to Use GA4 with GTM Extension for eCommerce store
• How to Add Google Analytics in Magento 2
• How to Add Google Tag Manager (GTM) to Magento 2