Hi! I’m not sure what the problem might be, but I just wanted to let you know that there is a documentation improvement that isn’t yet on the live website, but that may be helpful.
The latest version of that draft is available in:
Edit: This has now been merged onto the external documentation
The guide tells you the subtle differences between windows 7 and windows 10 as you go. You may also check out now the updated windows qubes tools page.