Borland C++ in its original form does not officially support native 64-bit compilation. While the legacy tools can often run on 64-bit Windows through compatibility layers, modern 64-bit C++ development has moved to its successor, . The Legacy of Borland C++
: The final standalone release, Borland C++ 5.02 (1997), is a 32-bit IDE that can produce 16-bit and 32-bit executables but lacks a 64-bit compiler.
: In 2008, Embarcadero Technologies acquired Borland’s compiler tools and rebranded them as part of the RAD Studio suite. Modern 64-bit Development: C++Builder