Fiction Book Editor (FBE) is a famous (standard de facto) fb2 documents editor, initially created by Mike Matsnev (http://haali.su), supported for years by many various developers on the closed source code principles; last contributor was a Russian company "LitRes" (http://litres.ru). FBE source code was released at January, 2010. In 2016 development was continued by evpobr (evpobr@gmail.com).
FBE consists of the following components:
You need Windows Vista and higher, 32-bit and 64-bit are supported as well.