Noted That:

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

6. Now, Click on " Active Plugin"

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

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

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

You can install Subdomains directly from the WordPress admin panel.

Visit the Plugins >
 Add New and search for 'Subdomains'.
Click to install.
Once installed, activate, setup wildcard subdomain and it is functional. Finally to choose which categories should be a subdomains goto Settings >
 Subdomain Settings 

Manual Installation Subdomains plugin:

Download and unzip the file
Upload the full extracted folder to the /wp-content/plugins/ directory
Activate the plugin through the 'Plugins' menu in WordPress and setup wildcard subdomain.

Please check FAQ to wildcard subdomain setup step.

You’re done! The Plugin ready to use according to the directions in the description.