They need to create an account with the new email at this address for SolidCAM:

https://www.solidcam.com/nc/subscription/login-downloads/customer-registration/

For SolidWorks. They need to register at the customer portal:

https://login.solidworks.com/nidp/idff/sso?id=Customer_Portal&sid=0&option=credential&sid=0&target=https%3A%2F%2Fcustomerportal.solidworks.com%2F