Directx 12 Windows 10 64 Bit Offline Installer |best|

No separate “DirectX 12 offline installer” exists because it’s part of Windows 10 itself.

Since DirectX 12 is built-in, the only way to ensure you have the latest version is through official system updates. (Win + I) > Update & Security Check for updates directx 12 windows 10 64 bit offline installer

After running the offline installer, how do you know it worked? how do you know it worked?