This helps you maintain Testimonials from both admin & user end. will also maintain hide & show whatever you want to show in frontend.

Noted That:

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

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "VM Testimonials Plus" folder is added on left sidemenu. Now, Click on "VM Testimonials Plus" folder.

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

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

Guide

Guide
There are two ways of installing the plugin: From the WordPress plugins page Download the plugin Upload the `wp-vm-testimonials-plus` folder to your `/wp-content/plugins/` directory. Active the plugin in the plugin menu panel in your administration area. From inside your WordPress installation, in the plugin section. Search for wp vm testimonials plus plugin Download it and then active it. Once, you have the plugin activated, you will find a new menu called ‘VM Testimonials’. There you can have Mange Testimonials & Settings option. where you can work around and can operations according to your willing. Also You can find simple tutorials with video on the wp vm testimonials plus plugin web page

There are two ways of installing the plugin:

From the WordPress plugins page

Download the plugin
Upload the wp-vm-testimonials-plus folder to your /wp-content/plugins/ directory.
Active the plugin in the plugin menu panel in your administration area.

From inside your WordPress installation, in the plugin section.

Search for wp vm testimonials plus plugin
Download it and then active it.

Once, you have the plugin activated, you will find a new menu called ‘VM Testimonials’.
There you can have Mange Testimonials & Settings option.
where you can work around and can operations according to your willing.
Also You can find simple tutorials with video on the wp vm testimonials plus plugin web page

show, maintain, whatever, hide, want, frontend, also, endwill, testimonials, both,

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Reffered: https://wordpress.org/