If you have a second computer in your home and wish to install the McAfee security suite on it, you will need to install it using a different comcast.net email address from the one you used to download McAfee on the first computer.
If you don’t already have an additional email address, you can learn how to create one by clicking here.
Once you have created the new email address, you need to sign into Comcast.net on the second computer that you wish to install the McAfee security suite and download McAfee. Click here for more information to learn how to register and download the McAfee security suite.
If you have more than 2 computers, you can simply repeat this process with a different email address. Seven total email addresses is the maximum number of email addreses that can be created per Comcast High-Speed Internet account.