Microsoft's Windows 8.1 Update 1 is done and heading towards general availability in April, according to various sources.
Microsoft has released Windows 8.1 Update 1 to manufacturing, according to my sources, as well as the known Windows leaker WZor.
Windows 8.1 Update 1 -- which Microsoft also has referred to internally as "Windows 8.1 Spring Update" and "Windows 8.1 Update" -- is designed to make Windows 8.1 more palatable and familiar to users who prefer to use mice as much, if not more, than touch.
Read more at: Microsoft releases Windows 8.1 Update 1 to manufacturing | ZDNet