Wolfram Mathematica Ключ | Активации

Each license type comes with its own activation key, which must be used to activate Mathematica.

Если у вас есть ключ активации, процесс выглядит так: wolfram mathematica ключ активации

An activation key is a unique code provided by Wolfram Research, the developer of Mathematica, to unlock the full features of the software. The activation key is linked to your Mathematica license, which determines the version, duration, and type of the license (e.g., home, institutional, or student). Each license type comes with its own activation

Это самый распространенный вариант для частных пользователей. the developer of Mathematica