Likely: What they will probably do is print out a special card with an access code or even release the access code verbally as part of the talk.
In order to download the publication, you must sign up for a JW.ORG account and give them your e-mail address, name and congregation.
That way, their Bethel hackers can cross reference the e-mail addresses with apostate website databases.
(I actually had a fear before signing up that this website was secretly run by the society to root out doubters and undercover apostates. I'm such a moron.)