Breadcrumbs nav links. Based on WP menu, can be configured and hooked. Use special rule tokens to determine behaviour of trail.

Noted That:

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

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "Genzel breadcrumbs" folder is added on left sidemenu. Now, Click on "Genzel breadcrumbs" folder.

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

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

Guide

Guide
Upload and extract arhive files to the `/wp-content/plugins/` directory Activate the plugin through the ‘Plugins’ menu in WordPress Insert GenzelBreadcrumbs(); to your template files And enjoy, of course! How to display breadcrumbs ? Open the appropriate file of your theme (typically header.php). This can be done within WP administration panel through Presentation > Theme Editor or through your text editor. Place the following code where you want the breadcrumb trail to appear. Save the file. Now you should have a breadcrumb trail on your WordPress powered site. To customize the breadcrumb trail you may edit the default values for the options in the administrative interface. This is located in your administration panel under Settings > Genzel Breadcrumbs. Also there you can find docs and samples.

Upload and extract arhive files to the /wp-content/plugins/ directory
Activate the plugin through the ‘Plugins’ menu in WordPress
Insert GenzelBreadcrumbs(); to your template files
And enjoy, of course!

How to display breadcrumbs ?

Open the appropriate file of your theme (typically header.php). This can be done within WP administration panel through Presentation > Theme Editor or through your text editor. Place the following code where you want the breadcrumb trail to appear.

Save the file. Now you should have a breadcrumb trail on your WordPress powered site. To customize the breadcrumb trail you may edit the default values for the options in the administrative interface.

This is located in your administration panel under Settings > Genzel Breadcrumbs. Also there you can find docs and samples.

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Reffered: https://wordpress.org/