How to Upgrade Magento Version from 2.3.X to 2.4.0

Steps to Upgrade Magento Version from 2.3.X to 2.4.0
Firstly we will prepare our site for Upgrade

Assure you have configured your server that works with PHP 7.4. As per the release notes of Magento 2.4.0, it only supports PHP 7.4. You can also install Magento 2.4.0 using PHP 7.3 at your own risk as it is not tested anymore. The best practice is using the latest version of PHP 7.4.

Check your PHP version with the help of given below command:

Attachment 15609

For more information : https://magecomp.com/blog/upgrade-ma...om-2-3-to-2-4/