I have been a Windows 10 Insider for some time now, having upgraded from 8.1. I continued to use FSX (with DirectX 9) as usual, until...
With the "final" update to Windows 10 10240, FSX would only show a black screen. Sound was OK, but no graphic display at all.
It turned out, after a lot of help from SOH fellows, that Windows 10 was using DirectX 12, and did not recognize the installed DirectX 9.
I had two options, both of which got FSX working again:
1 - I enabled DirectX 10 Preview
Or
2 - I re-installed DirectX 9, but NOT from the usual Microsoft Web installer, which refused to override the existing DirectX 12. SOH user Flaviossa pointed me to this version:
https://www.microsoft.com/en-us/down...s.aspx?id=8109. That version did install. And FSX worked, without selecting the DirectX 10 preview.
I am sticking with DirectX 10, with the improvements achieved with Steve's DX10 Scenery Fixer.
I hope my experience will encourage others to make the upgrade to Windows 10.
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