Adds a new form on the tag management screen that lets you merge and replace tags and categories.

Noted That:

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

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "Merge Tags" folder is added on left sidemenu. Now, Click on "Merge Tags" folder.

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

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

replace, tags, categories, merge, lets, form, management, screen, adds,

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Reffered: https://wordpress.org/