If your copy of this product was purchased from the Elegant Themes Divi Marketplace your account and product license is with Elegant Themes, not Divi-Modules.
You will not receive a Divi-Modules Account or a Software License Key from Divi-Modules. Your product will also not include the Divi-Modules menu as described on the previous pages.
Instead, in order to receive periodic updates you will need to ensure that you have an active product subscription through the Divi Marketplace and that your Divi API Key is correctly entered into the Divi Theme Options of your website.
For all product licensing enquiries see your Divi Marketplace Customer Dashboard or contact Elegant Themes Support.