Official AMD Vega Frontier Edition 17.8.1 driver optional
Windows 10 - 64bit: 
http://support.amd.com/en-us/download/desktop?os=Windows+10+-+64
Windows 7 - 64bit:
http://support.amd.com/en-us/download/desktop?os=Windows+7+-+64

Radeon Software Crimson ReLive Edition 17.8.1 Highlights

Support For

Windows 10 Version 1607 Build 14393.1613
August 16, 2017—KB4034661 (OS Build 14393.1613)
Patch Notes: https://support.microsoft.com/en-us/help/4034661
Download: http://www.catalog.update.microsoft.com/Search.aspx?q=KB4034661

Official AMD Vega Frontier Edition 17.8.2 Beta Drivers.
http://support.amd.com/en-us/kb-articles/Pages/Radeon-Software-17.8.2-Be...

Radeon Software 17.8.2 Beta for Vega Frontier Edition Release Notes

Article Number: RN-WIN-RADEONSOFTWARE-17.8.2 BETA-VEGA-FRONTIER

Official Nvidia GeForce Game Ready 385.28 WHQL
Windows 10 - 64bit
http://www.nvidia.com/download/driverResults.aspx/122543/en-us

Windows 7 64-bit, Windows 8.1 64-bit, Windows 8 64-bit
http://www.nvidia.com/download/driverResults.aspx/122541/en-us

Game Ready
Provides the optimal gaming experience for Agents of Mayhem

Windows 10 - August 8, 2017 update

Windows 10 Version 1703 Build 15063.502
https://support.microsoft.com/en-us/help/4032188/windows-10-update-kb403...

Improvements and fixes

This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

Official AMD Crimson ReLive Edition 17.7.2 WHQL July27
http://support.amd.com/en-us/kb-articles/Pages/Radeon-Software-Crimson-R...

Radeon Software Crimson ReLive Edition 17.7.2 Highlights

New Features and Improvements

Radeon Settings

Display Driver Uninstaller (DDU) V17.0.7.2 Released.

ChangeLog:

-Fixed Vulkan folders not removed for AMD.

Display Driver Uninstaller (DDU) V17.0.7.1 Released.

ChangeLog:

-Additional Nvidia cleanUP based on recent NV driver and Geforce experience.