The URL should be on the front or the back of the card but please see here: Trouble Installing McAfee Consumer Product Using Retail Card or Retail CD?
I also moved this to My Account Online as a better spot for it. If you continue to have problems, contact Customer Service, link below.
Toronto ▪ Canada
Volunteer Moderator - Consumer Products
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In order to download McAfee you need to Activate/Register the Product using an Email Address and Password. (If you are an Existing user then use McAfee My Account credentials)
Please see instructions printed on your eCARD for Activating. Post back for clarifications..!