how do I create an Adobe id link between my home computer and my computer at work? Want to be able to read books i download at home, at work.

how do I create an Adobe id link between my home computer and my computer at work? Want to be able to read books i download at home, at work.how do I create an Adobe id link between my home computer and my computer at work? Want to be able to read books i download at home, at work.