The error message shows which SDK you need:
The Windows SDK version 10.0.16299.0 was not found
So the SDK for Windows 10 Fall Creators Update 1709 is missing and you downloaded the SDK for April 2018 Update (1803 Build 17134).
Run Visual Studio 2017 installer (C:\Program Files (x86)\Microsoft Visual Studio\Installer\vs_installer.exe), click on modify, and select 16299 SDK under SDK/framework in individual components tab of the installer:
