DirectX is an API component, which is an application programming resource package that supports the computer by launching complex functions for playing graphics and other multimedia features such as ...

Type dxdiag and select OK. Once the DirectX Diagnostic Tool will show up, select the System tab. The DirectX version should be reflected under the System Information field.

If you get DirectX Out of memory, Direct3D could not allocate sufficient memory to complete the call error, follow the solutions mentioned in this post.