If you hold a current annual license or maintenance plan, you should have received an email from StataCorp (no-reply@stata.com) containing your new license information.
(as of my knowledge cutoff in October 2023, the latest version is Stata 18). If you’ve seen “Stata 19” somewhere, it may be: stata 19 license and activation key upd
Stata 19, released in , requires specific license credentials for activation, which are provided via email or a physical License and Activation Key document upon purchase or upgrade. Core License Components If you hold a current annual license or