It may be a little UI gripe but it's been bugging me a lot when you have to do it a "million" times a day.
Say, on one installation of Windows 10, all menu flyouts seem to come out from the right -- like we're used it in previous versions of Windows. Here's an example:
But then on some installations, they come out from the left:
Why is it doing it and is there a setting to make them fly out on the right?