You have to UPDATE 8.1 to 8.1 Update 1 to continue to getting patches.
This is a monumentally poorly-written communication. They are forcing 8.1 users to go to Update 1 to continue patching. This is most likely a security update that is irreversible.
(got it)
Thank you.
Hey, go easy on Microsoft!
At least they care for the environment...gay marriage... Obamacare...
Not much time left to write coherent press releases, let alone a logical new GUI.
/s