I was a Microsoft heavy user, including professionally (even worked on being an "Architect" (if anyone can remember that). For 20 years, my tech world was all about Microsoft with little or no consideration for Apple and their products. Then during the Vista era I had enough and crossed over to the Apple world. Still happy I did...
But...Microsoft has learned much from those days and has up their game. Microsoft is getting confident that their platform is better now and are trying (and successfully) pulling people from the Apple OS over to Windows and Office (including their increasing offerings for business). They continue to allow older versions of their software to still work and be downloaded (and activated) in order to open the option to explore their other options. Good business move and is working.
All that said, Microsoft is saying instead of "sorry, too bad", they have learned and chanced their stance to: "ok, go ahead..but look at the better options now..". It's working...
Apple should learn from this and up their game. Pages, Numbers and especially Keynote is awesome...but underdeveloped now..simple to use "yes" but you can make it more complex with comparable functions and yet keep it simple to use (as was the Apple model from the beginning).
But Apple still does not see the opportunity to again have a complete user experience (all ecosystem) any longer. Not a need in their book right now...$