At time of writing, Whonix Windows Installer hasn’t been released yet. Added a notice on top just now.
Whonix Windows Installer is a work in progress. More information here:
Meanwhile users can use Whonix for Windows, macOS, Linux inside VirtualBox.
This is a non-issue. Edits are held for moderation. This is documented here:
Improve the Documentation / Edit the Whonix Wiki