Using WHMCS and Howtos
From WHMCS Documentation
- Client Management
- Order Management
- Products Management
- Domains Management
- Custom Fields
- Transactions
- Invoicing
- Messages/Emails
- Support Center
- Affiliates
- System Utilities
- Configuration
- Products and Services
- Automated Upgrades and Downgrades
- Servers
- Tax/VAT
- Administrators and Permissions
- Promotions
- Security/Ban Control
- Linking to WHMCS