Noted That:

• To install correctly this ajax-post-meta.zip .
• Fisrt Download the ajax-post-meta.zip to your computer
• Extract/Open ajax-post-meta.zip to Your Computer.
• Then, Find readme.txt file inside ajax-post-meta.zip and Open readme.txt .
• Now, Read the Requirements of this plugin. Which Wordpress Version and PHP Version are required to run this Plugin in Your Wordpress Site.
• Then, Follow the Tips Below.

Start the Tips:

1. First Download " ajax-post-meta.zip " Plugin to your Local Computer. (Click Download)

2. Then, Login to your " yourdomain.com/wp-admin " Dashboard.

3. Then, Click on " Plugins " + " Add New " from left sidemenu of Dashboard.

4. Now, Click on "Upload Plugin" button.

5. Now, Browse " ajax-post-meta.zip "  Downloaded plugin from your computer, Where you downloaded ajax-post-meta.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " AJAX Post Meta " folder is added on left sidemenu. Now, Click on " AJAX Post Meta " folder.

   Noted that: If you do not see " AJAX Post Meta " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  AJAX Post Meta Configurtions and Settings or How to work " AJAX Post Meta " in your WordPress site.

After Activated Plugin According to Step-6 then,

1. Go to " Plugins " + " Installed Plugin " from Wordpress Admin Panel Leftside Menu.
2. or Direct go to: https://yourdomain/wp-admin/plugins.php
3. Then, Find " AJAX Post Meta " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is AJAX Post Meta
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

1. Upload the folder ajax-post-meta into the /wp-content/plugins/ directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress
3. If your plugin or theme is supported, edit columns will be automatically added to your All Posts page.

Advanced : You may add support for other custom fields and post types using the following filters in your theme’s functions.php file:

function my_ajax_meta_post_types( $post_types ) { // Add list of post types to any previously enabled. // To complete override, just return an array return wp_parse_args( array( 'post', 'page', ), $post_types );
}
add_filter('ajax_meta_post_types', 'my_ajax_meta_post_types');
function my_ajax_meta_keys($keys) { // Array of meta keys to enable editing for return wp_parse_args( array( // Example AIOSEO meta keys '_aioseop_title' =>
 __('Title Override'), '_aioseop_description' =>
 __('Description'), '_aioseop_keywords' =>
 __('Keywords'), '_aioseop_titleatr' =>
 __('Title Attribute'), '_aioseop_menulabel' =>
 __('Menu Label'), // General syntax // 'meta_key' =>
 __('Column Title'), ), $keys );
}
add_filter('ajax_meta_keys', 'my_ajax_meta_keys');