I've updated 4 computers over the last 2 days without any problems at all. The computers were fairly varied too: 2 laptops - XPS15 and MacBook Air11, and 2 desktops: an I7 gaming box and a Xeon based workstation.
Maybe I've been lucky, but then I've never had anything not work for me on any computer I've had running Win8.1 and onwards.
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