Step 1 : Download Dolby Atmos for Gaming app and driver .
Step 2 : Step 2. Enable Developer Mode : open the “Settings” app. Now, choose the “Update & security” section. Locate the “For developers” button, then click on the “Developer mode”. A pop-up will appear asking for your permission, just click on the “Yes” which will help you turn the Developer mode on.
Step 3 : Disable Driver Signature Enforcement : Press and Hold Shift key and click on Restart Button.
Click on Advanced Options.
Click on Restart Button.
Step 4 : Install Dolby Atmos for Gaming Driver : Extract the Downloaded file.
Open Device Manager and goto Sound, video and game controllers and update high definition audio driver with the Downloaded Dolby Atmos Driver.
Step 5 : Install Dolby Atmos for Gaming App : install the dolby atmos appx file ( Note: make sure you have access to internet connection while installing the app)