Originally Posted by
Windows Central Question Yesterday i updated my phone to wat supposed to be anniversary update .i was surprised that my windows build had vecome an insider preview build which in the past i downgraded my phone to version 8.1 then updated to windows 10 original to get away from the insider version..my question is why ot came back and how to prevent it from coming back in the future
you can check OS build in settings > system > about > OS build.
Currently for eligible devices, anniversary update is the one rolling out. It should be 14393.xx
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