Steam Family Sharing now requires a two-factor authorization process

Previously, if you wanted to share your library of Steam games with someone, you needed only to authorize another computer that would be able to access it. Now, a friend or family you wish to share with needs an authorized computer but also a specific, authorized Steam account. You may authorize up to 10 computers and 10 accounts that share your library at any given time.The policy is marginally more restrictive, but Valve says it ...