No details have been given as to why the AMD graphics are out for the time being, but the requirements are perfectly acceptable for the more modern AMD graphics. Requires 3GB of VRAM and capable of processing 10-bit per color channel.
Although there is support for Nvidia and Intel graphics, the truth is that it is also quite limited. For Intel, there will only be compatibility with graphics integrated in Kaby Lake processors, in any of its variants, and for Nvidia there are also limitations since it only supports graphics GTX 1050, GTX 1060, GTX 1070, GTX 1080 or higher.
We will have to update the application for Windows 10, use Windows 10 in the update Fall Creator update (1709), or use the Microsoft Edge browser integrated in Windows 10.