Noted That:

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

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " OpenSearchServer Search " folder is added on left sidemenu. Now, Click on " OpenSearchServer Search " folder.

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

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

Requirements

• WordPress 3.0.1 or higher
• A running instance of OpenSearchServer 1.3 or higher (OpenSearchServer 1.5.11 is required for searching into attachments)

Installing an OpenSearchServer instance

There are two ways to get an OpenSearchServer instance:

• Deploy it on your own server as explained in the OpenSearchServer documentation
• Or use an OpenSearchServer SaaS instance OpenSearchServer Software as a Service instances

Installing the plugin

1. Verify that you have a running OpenSearchServer instance
2. Uncompress the plugin archive in the wp-content/plugins folder for your WordPress installation.
3. Activate the OpenSearchServer Search plugin via WordPress settings.
4. Open the OpenSearchServer settings page (in the Plugins menu) and fill the form with your desired settings
5. Choose the types of content and the taxonomies to index, save your Index Settings.
6. Create your index by clicking on the “(Re-)Create the index” button
7. New and modified content from WordPress can be pushed into your newly created index by clicking the “Synchronize / Re-index” button.