Horje
With this plugin registrations are only allowed if the user has an invitation code. This plugin is only for WordPress MU and is BuddyPress compatible.

Noted That:

  • To install correctly this invitation-code-checker.zip.
  • Fisrt Download the invitation-code-checker.zip to your computer
  • Extract/Open invitation-code-checker.zip to Your Computer.
  • Then, Find readme.txt file inside invitation-code-checker.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 "invitation-code-checker.zip" Plugin to your Local Computer. (Click Download)

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

/stack/wp/e1593231376d7d849d2-4597-4fa3-a6ff-1eca18f72aab.png

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

/stack/wp/e1593231378Screenshot20.png

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

/stack/wp/e1593231380Screenshot-2019-4-2AddPluginsHorjeWordPress.png

 

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

/stack/wp/e15931461531577025694plugin.png

6. Now, Click on "Active Plugin"

/stack/wp/e15932313830ca45529-bf73-4101-8178-53ae60ce549f.png

7. Then, See left sidemenu. "Invitation Code Checker" folder is added on left sidemenu. Now, Click on "Invitation Code Checker" folder.

   Noted that: If you do not see "Invitation Code Checker" folder on left sidemenu then, see at left sidemenu "Settings" or "Tools".

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

 

oR

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 "Invitation Code Checker" Activated Plugin from Plugin List.
  4. Then, Click on "Settings" from Plugin that is Invitation Code Checker
  5. Now, Edit/Add/Config the setting and Click on "Save Changes" button,
WP Plugin Setting


Guide

After the installation you find at the global WordPress MU settings a field to enter the invitation code.

Reffered: https://wordpress.org/