The DirectX 12 Offline Installer allows installation on DirectX 12 on a computer that isn’t connected to the internet. There are various reason that someone might want to do this, from security to having a single copy to put on a network of computers to save bandwidth. The download is just a tad under 100MB and can easily be downloaded with a download manager in the case of computers that a have a slow internet connection. DirectX 12 was designed for high level gameplay and fast graphics rendering on modern gaming computers and also laptops with onboard graphics.
To install the driver simply click on the link below and save the directx12.exe to a place where you would like to store it. If you want to install it on another computer then copy to a USB stick or external hard drive. The last step is to run directx12.exe as an administrator as is with most software and system installation.