WHMCS provides comprehensive installation documentation. Follow the official installation guide step-by-step to ensure a smooth setup.
Ensure that your server environment (PHP, MySQL, etc.) is compatible with the WHMCS version you are installing. Check WHMCS documentation for system requirements.
Implement security best practices. Use strong passwords for WHMCS and associated databases. Regularly update WHMCS and any other software you have installed.
Set appropriate file and directory permissions to ensure security. Incorrect permissions can lead to vulnerabilities. Refer to WHMCS documentation for recommended permission settings.
Regularly backup your WHMCS installation, including the database and configuration files. This is crucial in case of data loss or system failure.