From Cygnus Solutions:
Cygwin 64bit is a collection of tools which provide a Linux look and feel environment for Windows. Cygwin is a DLL (cygwin1.dll) which acts as a Linux API layer providing substantial Linux API functionality. The Cygwin DLL currently works with all recent, commercially released x86 32 bit and 64 bit versions of Windows. Download Cygwin for.
Download MinGW-w64 - for 32 and 64 bit Windows for free. A complete runtime environment for gcc. The mingw-w64 project is a complete runtime environment for gcc to support binaries native to Windows 64-bit and 32-bit operating systems. Cygwin version. The most recent version of the Cygwin DLL is 3.0.7. Installing Cygwin. Install Cygwin by running setup-x8664.exe (64-bit installation) or setup-x86.exe (32-bit installation) Use the setup program to perform a fresh install or to update an existing installation.