Noted That:

• To install correctly this dunstan-error-page.zip .
• Fisrt Download the dunstan-error-page.zip to your computer
• Extract/Open dunstan-error-page.zip to Your Computer.
• Then, Find readme.txt file inside dunstan-error-page.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 " dunstan-error-page.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 " dunstan-error-page.zip "  Downloaded plugin from your computer, Where you downloaded dunstan-error-page.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Dunstan-style Error Page " folder is added on left sidemenu. Now, Click on " Dunstan-style Error Page " folder.

   Noted that: If you do not see " Dunstan-style Error Page " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Dunstan-style Error Page Configurtions and Settings or How to work " Dunstan-style Error Page " 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 " Dunstan-style Error Page " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Dunstan-style Error Page
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

1. Downloaded the latest version of the plugin (below)
2. Rename the downloaded file to afdn_error_page.php
3. Upload to your plugins directory (typically /wp-content/plugins/)
4. Activate the plugin
5. Configure the plugin under Options > Error Page in the administration panel
6. Find the 404.php file for the theme you are using, usually located at /wp-content/themes/*YOUR_THEME_NAME*/404.php
7. Delete everything in the 404.php file and replace it with:
8. Enjoy!