I finally managed to do an BCA download on a FAT stick (had formatting issues in disk utility and slow download speeds for the WSS).
went into windows 10, only tried to install the AMD drivers, got a black screen, and that is the end of that.. hahaha, Since Windows 8 (or 8.1) user can't able boot into the traditional menu anymore by using F8... oh well. All the other stupid options requires you to be in windows or using a recovery stick / CD...
i am not sure why Apple requires a single flash stick volume that is formatted to FAT only to just save the driver files. And not providing the files on a website that is searchable. And adds confusion which lead to my current situation!!! Although the files I listed shows it is the latest for Windows 8.1 😟 I thought it shouldn't be that difficult, and require BCA, but it does require BCA... lots of hoops to just do a fairly simple thing.