A Microsoft account is required to register and sign in to the Volume Licensing Service Centre (VLSC) and obtain your product keys.
Visit https://signup.live.com/ to get started. The account email can be the same as your registered business email address or you can use or create another one.
The next screen will ask you to create a password. Make a note of this as along with the email address it will be your log in to the VLSC.
You will need to input details for a contact person from your organisation. It is a good idea to use the same contact person that you have for your Connecting Up account.
You can then use your account details to log into the Microsoft Volume Licence Center https://www.microsoft.com/licensing/servicecenter . This is where you will need to put in the registered business email address. The one that you use for Connecting up and the instruction email was sent to.