I'm still in the midst of installing the last update (the whole process consists of 2 servicing updates, and then the Windows 8.1 bits), but Windows Phone 8.1 has been announced to be available for anyone with a Windows Phone developer account. Joe Belfiore, Microsoft master of Windows Phone announced it early, early this morning over Twitter:
The updating takes a long, long while. As I mentioned, I'm on the last lap of a three lap race, but each update has taken close to 20 minutes apiece. So, first things first.
To get the update (anyone with a Windows Phone can get it), you'll need to get a free developers account and install some software.
Paul Thurrott has written up the complete instructions on how to get this done:
After you get your own developer account and load the software, you'll need something to do while babysitting the update process.
Paul also has already written up a great review of Windows Phone 8.1, and you'll enjoy knowing what to expect once the updating is complete:
Shhhhh! Cortana is speaking.