Centering the page in center of your monitor

Word has worked in essentially the same way for at least 15 years - I have just checked back to Word 95 - if the zoom is such that more than one page will fit side by side in the window it will align the pages in that way; this, I'm sure, is what most people would want. There may be slight differences in different versions of Word due to slight aesthetic differences in, for example, border widths, but the way it works is just the way it works and there is, as far as I know, no way to override the built-in behaviour.

Whilst your requirement is your own, and you can, of course, work in any way you wish, I can not, personally, see any advantage in having a lot of unused, and unusable, space inside the Word window but outside the Word workspace. It is very easy to resize the Word window so that the page is forced to centre within it, and to move the resized window anywhere on the screen, so this slight limitation in Word can be easily worked around with Windows facilities.

Perhaps, however, I have misunderstood the question, as you talk about zooming in. Zooming in does, at some point, affect the alignment of the part of the single page in view, but there is no question of multiple pages displaying in that circumstance. Also, I am assuming that your question relates to viewing in Print Layout mode - different effects are seen in

Draft view.

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Enjoy,

Tony