Log in to the Wolfram User Portal with your Wolfram ID. Under the "My Products and Services" tab, you can find a list of all your registered products and their corresponding activation keys.
If your computer is not connected to the internet, Wolfram provides an official that works in tandem with a valid activation key. mathematica 9 activation key generator
Enter the generated password into the dialog box on your offline machine to complete the setup. Risks of Unofficial Key Generators Log in to the Wolfram User Portal with your Wolfram ID
If you are a student or employee at a participating institution, you can often request a key through a dedicated Activation Key Request Form using your organizational email. Enter the generated password into the dialog box
Wolfram provides several legitimate methods to retrieve or generate an activation key, especially for those who already own a license or are eligible through an institution.
Visit the official Wolfram Password Generator on a device with internet access. Enter your Activation Key and MathID to receive a password.