DirectX 11 (DX11) feature level 10.0 is not a standalone file you can download; rather, it is a hardware capability of your graphics card supported by specific drivers
In the world of DirectX, a feature level represents a specific set of hardware capabilities. Your computer might have DirectX 12 software installed, but if your graphics card (GPU) is older, it may only support hardware "feature levels" up to 10.0 or 10.1. When a modern game engine demands level 11.0 and your hardware can't provide it, the game won't launch. How to Fix the Error on Windows 10 dx11 feature level 100 download windows 10 full
DirectX 11 is the software (API) that helps your games talk to your hardware. Feature Levels are subsets of that software. Even if you have "DirectX 12" installed on Windows 10, your physical Graphics Card (GPU) might only be powerful enough to handle "Feature Level 9" or "10." DirectX 11 (DX11) feature level 10
When a game asks for "DX11 feature level 10_0," it is saying: "Your graphics card must at least support the features of a DirectX 10-class GPU, running under DirectX 11." Windows 10 already includes DirectX 11 and DirectX
Since DirectX updates are bundled with Windows, ensure your OS is fully updated. Driver Easy Settings > Update & Security > Windows Update Check for updates
So why the error? One of three reasons: