The Microsoft Windows 7 Professional 32/64 Bit Full Version for Windows is a standard operating system license that includes both 32-bit and 64-bit versions. It requires a minimum of 1 GB of RAM and a 1 GHz processor speed, with a minimum of 15.62GB of hard drive space needed for installation. This DVD format operating system in English language is specifically designed for use with Microsoft Windows 7 and is compatible with one device. Made by Microsoft, this operating system is ideal for those looking for a reliable and efficient OS for their Windows devices.