How to install WHMCS

Introduction

This article provides the steps needed to install WHMCS.

Procedure

1. Navigate to https://www.whmcs.com/download/cpanelstore, the WHMCS website.
2. Enter your license key in the text box.
3. Click the "Validate and Download" button.
4. The system will download a .zip file that contains the WHMCS files.
5. Unzip the contents of the .zip file to a folder on your computer.
6. In the WHMCS folder, rename the configuration.php.new file to configuration.php.
7. Upload the WHMCS folder to your website.
   Please note that you may rename the folder if desired.
8. Navigate to https://$domain.tld/$whmcs/install/install.php.
   Please note that "$domain.tld" and "$whmcs" must be replaced with your domain name and the folder name to which the WHMCS files were uploaded, respectively.
9. Follow the on-screen instructions to complete the installation.
10. Access the server's command line via SSH or "Terminal" in cPanel.
11. Change the working directory to the WHMC folder.

    cd /home/$username/public_html/whmcs

    Please note that "/home/$username/public_html/whmcs" must be replaced with the path where the WHMCS files are located.
12. Run the following commands to update the following permissions.

    chmod 400 configuration.php

    chmod 777 attachments

    chmod 777 downloads

    chmod 777 templates_c

13. Delete the install directory.
14. Log in to your WHMCS account with your license key.

Additional resources

WHMCS System Requirements

How to Purchase and Install WHMCS

How To Find your WHMCS license key