Noted That:

• To install correctly this tag-groups.zip .
• Fisrt Download the tag-groups.zip to your computer
• Extract/Open tag-groups.zip to Your Computer.
• Then, Find readme.txt file inside tag-groups.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 Tips Below.

Start the Tips:

1. First Download " tag-groups.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 " tag-groups.zip "  Downloaded plugin from your computer, Where you downloaded tag-groups.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Tag Groups " folder is added on left sidemenu. Now, Click on " Tag Groups " folder.

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

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

After Activated Plugin According to Step-6 then,

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

1. Find the plugin in the list at the backend and click to install it. Or, upload the ZIP file through the admin backend. Or, upload the unzipped tag-groups folder to the /wp-content/plugins/ directory.

2. Activate the plugin through the ‘Plugins’ menu in WordPress.

The plugin will create a new menu “Tag Groups” and a submenu “Tag Group Admin” in the Post section (depending on the chosen taxonomy) where you find the tag groups. After you have created some groups, you can edit your tags (or other terms) and assign them to one of these groups. A filter and a bulk action menu are available on the Tags page and you also find a filter on the Posts pages.

The tabbed tag cloud (or an accordion containing the tags) can be inserted with a shortcode or a Gutenberg block. Options are listed under the “Tag Groups” main menu.

Extensive information, examples and help for troubleshooting are listed here .