The current release of Braille2000 product is 1.9999 and was posted on 3/13/2016.
This release is suitable for all versions of Windows including Windows 7 and 8.1.
Installation: click the Download button.
Tell your browser you want to "Run" the file.
If that fails, (1) restart Windows, (2) logon as an Administrator
(3) Start your browser via right-click and "Run as Administrator" and
(4) use the Download button again.