FastCopy is free open source (BSD license) computer software, a portable file and directory copier that runs under Microsoft Windows.There are 32- and 64-bit versions which runs under Windows 98/Me/NT/2000/XP/2003/Vista, and Windows 7. The files comprising 32-bit version 2.11 are about 750kB. It claims to offer fast transfer of files between hard drives and copying of files within the same drive.