The Categories Images Plugin allow you to add image with category or taxonomy.

Noted That:

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

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "Categories Images" folder is added on left sidemenu. Now, Click on "Categories Images" folder.

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

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

Guide

Guide
You can install Categories Images directly from the WordPress admin panel: `1. Visit the Plugins > Add New and search for 'Categories Images'. 2. Click to install. 3. Once installed, activate and it is functional.` OR Manual Installation: 1. Download the plugin, then extract it. 2. Upload `categories-images` extracted folder to the `/wp-content/plugins/` directory 3. Activate the plugin through the 'Plugins' menu in WordPress You’re done! The Plugin ready to use, for more please check the plugin description. More documentation Go to http://zahlan.net/blog/2012/06/categories-images/

You can install Categories Images directly from the WordPress admin panel:

1. Visit the Plugins > Add New and search for 'Categories Images'.
2. Click to install.
3. Once installed, activate and it is functional.

Manual Installation:

1. Download the plugin, then extract it.
2. Upload `categories-images` extracted folder to the `/wp-content/plugins/` directory
3. Activate the plugin through the 'Plugins' menu in WordPress

You’re done! The Plugin ready to use, for more please check the plugin description.