Your graphics card (GPU) is physically too old to support DX11 or the specific 10.0 feature level.
Occasionally, while the core DirectX is present, specific legacy libraries are missing from your Windows installation. How to Check Your Status dx11 feature level 10.0 download windows 10
Thus, no download is possible or necessary. Your graphics card (GPU) is physically too old
This usually stems from outdated graphics drivers, missing DirectX runtime files, or an older GPU that physically lacks support for the required feature level. How to "Download" and Fix DX11 Feature Level 10.0 while the core DirectX is present
Windows 10 includes DirectX 12 by default, but some games need legacy "helper" libraries.