Noted That:

• To install correctly this user-domain-whitelist.zip.
• Fisrt Download the user-domain-whitelist.zip to your computer
• Extract/Open user-domain-whitelist.zip to Your Computer.
• Then, Find readme.txt file inside user-domain-whitelist.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 the Tips Below.

Start the Tips:

1. First Download "user-domain-whitelist.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 "user-domain-whitelist.zip" Downloaded plugin from your computer, Where you downloaded user-domain-whitelist.zip According to Step – 1 Above then, click on "Install Now"

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "User Domain Whitelist" folder is added on left sidemenu. Now, Click on "User Domain Whitelist" folder.

   Noted that: If you do not see "User Domain Whitelist" folder on left sidemenu then, see at left sidemenu "Settings" or "Tools".

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

Unzip the user-domain-whitelist folder and upload to the /wp-content/plugins/ directory
Activate the User Domain Whitelist plugin through the ‘Plugins’ menu.
Go to the User Domain Whitelist/Blacklist options page (under Settings), add your list of allowed domains and (optionally) change the error message that disallowed registrants will receive.