Getting Started Complete BillMax Paperwork A quote and lease agreement will be supplied by BillMax Sales staff. To begin the implementation both documents must be returned. Install CentOS 7.x for BillMax Describes a basic installation of Cent OS for BillMax. Specifics such as network interface name, host name, IP address, etc. will differ. 64 bit architecture is required. Install BillMax Additional Tasks Configure BillMax System Parameters Work Flows