You downloaded a release candidate...The article above is for the 'Final release'. After the version that you have downloaded was released there has since been two more releases. One about 2weeks ago and another a few days ago. I've tried the one you've got and the one released two weeks ago but not the latest as it's not for public release yet.
As it say's above though the 'final' version is set for release around Feb 15.

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