An is a unique code that identifies your license and allows you to link it to your MathWorks Account .
: If you already own R2009b, you can find your license number by typing license in the MATLAB command prompt. If the software isn't installed, your License Administrator can retrieve the key from the MathWorks License Center. Matlab R2009b Activation Key
If you have the software installed, follow these steps to activate it: An is a unique code that identifies your