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Welcome to WHMCSwiki, This is an official wiki site for WHMCS. 962 articles in English

Getting Started

• System Requirements
• Installing WHMCS
• Importing Data

Using WHMCS & Howto's

• Client Management
• Client Contacts
• Products Management
• Transactions
• Invoicing
• Support Center
• Messages
• System Utilities
• Configuration
• Products & Services
• Tax/VAT
• Administrators
• Promotions
• Domains
• Security/Ban Control

Customising WHMCS

• Client Area Template Files
• Order Form Templates
• PDF Invoice

Modules

• Payment Gateways
• Server Modules
• Domain Registrars
• Fraud Protection
• Admin Modules
• Reports
• Other

API

• About
• Example Usage
• Functions

Contributions

• Client Side
• Admin Side
• Themes