Be extremely cautious of websites claiming to offer a (often found on file-hosting sites like Mediafire or rapidshare).
Since DX12 can’t be installed standalone, here’s the next best thing: directx 12 windows 10 64 bit offline installer link
How to install the latest version of DirectX - Microsoft Support Be extremely cautious of websites claiming to offer
Then, a sound she hadn’t heard in years: the cheerful ding of a successful component registration. directx 12 windows 10 64 bit offline installer link