How to quickly increase the download limit of the All-in-One WP Migration plugin . For the instructions in this tutorial to work, you must use version 6.77 or earlier of the all-in-one WP Migration Plugin.

Steps to move your wordpress site for free
You can download version 6.77 here, all-in-one-wp-migration.6.77
In the constants file… /wp-content/plugins/all-in-one-wp-migration/constants.php Find this… // ================= // = Max File Size = // ================= define( ‘AI1WM_MAX_FILE_SIZE’, 2 << 28 ); and replace with this… // ================= // = Max File Size = // ================= define( 'AI1WM_MAX_FILE_SIZE', 2 << 28 *1.2); And you will have 16GB upload limit.
The first step after installing the plugin is from the WordPress control panel

Step Two: Upload the plugin that we also listed above in WordPress

Step Three Open the plugin editor, choose the All-in-One WP Migration Plugin
Step 4 Open the constants.php file , if you are using Cpanel; Follow the path /wp-content/plugins/all-in-one-wp-migration/constants.php

Step Five: Search the previous file for the phrase
AI1WM_MAX_FILE_SIZE أو define( 'AI1WM_MAX_FILE_SIZE', 536870912 );
You will see the maximum size specified in bytes. To increase the upload size limit to 4 GB, simply delete the previous base code and replace it with the following code:
define( 'AI1WM_MAX_FILE_SIZE', 4294967296 );
If the previous method does not work, replace the main code with the following code:
define( 'AI1WM_MAX_FILE_SIZE', 536870912 * 8 );
If the previous method does not work, replace the main code with the following code:
