And Activation Key - Stata 19 License

StataCorp actively tracks illegal activation keys. Stata phones home periodically (with your permission) to validate licenses. If an illegal key is detected, Stata can disable itself, and your institution’s IP address may be blacklisted from future updates. Academic users risk expulsion for software piracy under university policies.

Licensing for Stata 19 is categorized by user affiliation and the computational power required for the edition. The Stata Blog - Not Elsewhere Classified stata 19 license and activation key

Once you've purchased your license, you'll receive an activation key. The activation key is a unique code that unlocks your Stata 19 software. You'll need to enter this key during the activation process. StataCorp actively tracks illegal activation keys