KWord is part of the KDE project https://www.kde.org. KWord is located
in the KOffice package which can be obtained from ftp://ftp.kde.org/pub/kde/, the
main ftp site of the KDE project.
Many distributions offer precompiled binaries on their ftp sites. Please check your distribution's web sites for more information.
If you want to compile KWord from source, then you should read through the next few sections for help on compilation.