Hello, Thanks for your order. 1. I just send the proforma invoice for the first 1 month (we invoice per calendar month). Please pay by paypal to payments@leaseweb.com . Always mention your customer number and server ID in your communication with us. 2. Which OS do you want? We strongly recommend CentOS (same as RHEL ES, but without paid subscription) or Debian Linux. 3. Which HD configuration do you want? We recommend RAID1. 4. Setup time is normally 3-5 business days after payment. Please contact support@leaseweb.com for any configuration wishes and/or tech questions. Always mention your server ID. We look forward working with you. Regards, Con Zwinkels LeaseWeb BV