A subdomain is an additional part of your primary domain. For example, blog.example.com is a subdomain. Please, follow this tutorial to create a subdomain in cPanel.
**1.** Log in to your cPanel account.
**2.** In the **Domains** section, click on **Domains**.
**3.** Click on **Create A New Domain**.
**4**. Under the **Create a New Domain**, enter the following details:
- **Domain: **Enter your main domain name. This is the base for your subdomain.
- **Share document root:** Must **uncheck** it to create your subdomain.
- **Subdomain:** It fills up automatically. Remove the domain extension (like .com or .net).
- Leave all other options as it is.
**5.** Click on **Submit**.
You should see a success message that the subdomain has been created.