How to Update Registration and Subscription Information in Sage 100 Having trouble updating your registration and subscription information in Sage 100? To update license and subscription information in Sage 100:Log into Sage 100Select Library Master, Main, System ConfigurationNext, click the Registration tab.Then click UpdateEnter Registration InformationFinally, click Accept.The system checks for and updates your product key so that your new license and/or subscription takes effect. SupportIf necessary, seek the assistance of Acute Data Systems to help provide assistance with this process. Sage 100 Request Support