Recommendation: We highly recommend that most Windows users (unless you are advanced) download a driver update tool like DriverDoc [Download DriverDoc - Product by Solvusoft] to help update your DirectX Software drivers. DriverDoc takes away all of the hassle and headaches of updating your 11.1 drivers by downloading and updating them automatically.
DirectX 12 does not have a manual standalone setup which can be downloaded separately. It comes directly from Microsoft Update. If you want to keep your DirectX version updated, you should enable automatic Windows Updates if disabled earlier. This will ensure that your DirectX 12 on Windows 10 is up to date. Tip: You can enable or disable Windows Update using the command line.The same procedure applies for Windows 8 (DirectX 11.1) and Windows 8.1 (DirectX 11.2)For Windows 7 (DirectX 11)If you are using Windows 7, you can download the DirectX 11 update for Windows 7 from here: 2b1af7f3a8