 It is compatible with all Windows versions based on the NT 5.1 32-bit kernel (Windows 2000, Windows XP, Windows Server 2003, Windows Vista and Windows 7).vLite is the Windows Vista (32 and 64 bit) version of nLite, that can create a cut-down customized installation CD (or bootable USB stick).Some people have reported success using vLite with Windows 7; vLite is not fully compatible with Windows 7 and was not intended to support Windows 7.