If you have registered but lost your key, you can request it through the Stata License Activation Key Request page Check institutional portals:
When you first install Stata, you will be prompted to initialize your license immediately upon opening the application for the first time. Launch Stata: stata+license+and+activation+key+new
When you launch a new installation of Stata for the first time, the Initialize License dialog box will appear automatically. Input Data If you have registered but lost your key,
: A window will prompt you for your Name, Organization, Serial Number, Code, and Authorization. Getting a for a new installation is a
Getting a for a new installation is a straightforward process whether you are a student, researcher, or business professional. You can easily manage your purchase through the official Stata ordering system . How to Get Your New License and Activation Key
: A secondary security code required to verify the license.