Okay. I may have something.
Bear with me.
Laptop was downgraded to Win10, fully up to date as of Dec 9, 2024 updates.
I went and upgraded to Win11, in place, save apps and data.
Civ5 stopped working.
Run as admin, betas "ineedlegacyaccess", run choosing DirectX9, nothing.
I read something about DirectX 11/12 not having 9 compatibility or something. Someone suggested downloading DirectX9, install, reboot.
It works now.
that's the message
This was the download
The Microsoft DirectX® End-User Runtime installs a number of runtime libraries from the legacy DirectX SDK for some games that use D3DX9, D3DX10, D3DX11, XAudio 2.7, XInput 1.3, XACT, and/or Managed DirectX 1.1. Note that this package does not modify the DirectX Runtime installed on your Windows...
www.microsoft.com
Restarted machine, not shutdown, and it **WORKED**