Enhancing SecurityWHMCS includes features to help keep your data safe, and we recommend taking additional steps to secure your WHMCS installation further.
Get Started with WHMCSThank you for choosing WHMCS! From installation to configuring your store, our simple setup process will help you get up and running fast.
Install WHMCSThe first step to using WHMCS is installing it on your server. WHMCS includes an easy browser installation tool to suit most users' needs.
Troubleshooting InstallationWhen you install WHMCS on a server, make sure to watch for errors both during and after the installation process.
Install on the Command LineIf you want more configuration options than browser-based installation offers, you can install and upgrade WHMCS on the command line.
System RequirementsFor successful installation, updates, and operation, your system must meet the minimum system requirements for your WHMCS version.
Install with cPanel Site SoftwareIf you use a cPanel & WHM version that supports it, you can install WHMCS easily using deprecated cPanel's Site Software feature.
Install with Plesk WHMCS InstallerYou can use Plesk's WHMCS Installer extension to easily install and configure WHMCS on a Plesk server.
Install ionCube LoaderionCube Loader® is a PHP extension that allows decoding and encoding of WHMCS files. Make sure your system uses the correct version.
Setup WizardThe Setup Wizard or Getting Started Wizard appears the first time that you log in to the Admin Area. It helps you start configuring WHMCS.
Uninstall WHMCSIf you need to uninstall WHMCS, you can do so manually by removing the related WHMCS files, data, cron jobs, and email piping or importing.
Setup TasksCheck off each item in the System Settings Setup Tasks list to ensure that you have completed initial setup for your WHMCS installation.
Duplicate tblconfiguration ErrorsTroubleshoot and resolve 1062 Duplicate entry for key tblconfiguration.PRIMARY errors.
License Key Required ErrorsTroubleshoot and resolve A license key is required. errors during installation.
Stuck Installation ProcessTroubleshoot and resolve issues that cause the WHMCS installation process to stop on Step 4.
Disable MySQL Strict ModeYou must disable MySQL® Strict Mode (sql_mode) to run WHMCS on your server. We recommend disabling this immediately after you finish installation.