Hi! Thank you for your order. Please download the latest version of the InkReset utility here: For Windows OS - http://www.inkreset.com/download/inkreset/InkRESET.zip For MAC OS - http://www.inkreset.com/download/inkreset/InkRESET_MAC/InkRESET_MAC.dmg Your ordered RESET KEY has been sent in email. Please check your email messages, your spam filters. If you have not received email with RESET KEYs please contact us. Thanks as always for being a InkReset.com customer. Sincerely, John www.InkReset.com We appreciate your business and feedback. Please submit your comments on InkRESET Utility here.