Displays a lightweight slider optimized for search engines, accessibility and mobile devices.

Noted That:

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

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "SEO Slider" folder is added on left sidemenu. Now, Click on "SEO Slider" folder.

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

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

After Activated Plugin According to Step-6 then,

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

Guide
Go to Plugins > Add New. Type in the name of the WordPress Plugin or descriptive keyword, author, or tag in Search Plugins box or click a tag link below the screen. Find the WordPress Plugin you wish to install. Click Details for more information about the Plugin and instructions you may wish to print or save to help setup the Plugin. Click Install Now to install the WordPress Plugin. The resulting installation screen will list the installation as successful or note any problems during the install. If successful, click Activate Plugin to activate it, or Return to Plugin Installer for further actions.

Guide

Go to Plugins > Add New.
Type in the name of the WordPress Plugin or descriptive keyword, author, or tag in Search Plugins box or click a tag link below the screen.
Find the WordPress Plugin you wish to install.
Click Details for more information about the Plugin and instructions you may wish to print or save to help setup the Plugin.
Click Install Now to install the WordPress Plugin.
The resulting installation screen will list the installation as successful or note any problems during the install.
If successful, click Activate Plugin to activate it, or Return to Plugin Installer for further actions.

accessibility, mobile, devices, engines, search, lightweight, slider, optimized, displays,

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Reffered: https://wordpress.org/