There are several ways to obtain a product key for MathType:
If you use MathType daily for your career or degree, purchase the license. It supports the developers who fix bugs and add features. If you only need it once, use the 30-day free trial or a free alternative. product key mathtype
A product key is a unique code that is used to activate and validate a software product. It is a combination of letters and numbers that is assigned to a specific software product, in this case, MathType. The product key is used to verify that the software has been purchased or obtained through legitimate channels and to prevent unauthorized use. There are several ways to obtain a product