This article will give you a step by step guide on how to install WordPress MU from your cPanel. Sign into your cPanel and follow these steps:
1) Click Softaculous.
2) Scroll down to “Blogs”. Find the “WordPress MU” link and click on it.
3) Click “Install”.
4) Fill out all of the boxes. For “In Directory” type the name of a new directory you would like created. By default, the box will be left blank to install the software into your main directory. Enter the sites name and description. Create the administrators username, password and enter their email address. When you are finished, click “Install”.
5) You will then get a confirmation page of your installation.
This concludes how to install WordPress MU from your cPanel.
To install WordPress, click this link.