If you have purchased MathType 7, you can find your product key in:
Here are some benefits of using MathType 7: product key mathtype 7
If you do not have a product key, you can still use the software in two ways: Free Trial: Unlocking Precision: The Complete Guide to the MathType
First, deactivate the license on the old computer: Help → Deactivate. Then, install MathType 7 on the new PC and enter the same product key. If you lost the key, retrieve it from your Wiris account. Here are some benefits of using MathType 7:
A is a unique alphanumeric string required to activate the full version of the software. Without a valid key, the program typically operates in a limited "evaluation" mode or expires after a 30-day trial. How Activation Works