So I quote the email, spot the mistake ^_^
Thank you for signing up for the FFXIV: A Realm Reborn Beta Test on Windows PC!
The final beta test will kick off on Monday 16 August 2013 at 9:00 GMT and last until Friday 19 August 2013 at 9:00 GMT.
If you haven’t downloaded the client for Windows PC yet, you can log in to the test forums and download the test client here.
If you have any questions regarding this e-mail or any other aspect of the beta test, please visit the Square Enix Support Center.
We look forward to seeing you in Eorzea!
www.finalfantasyxiv.com