This version is designed for PC use, including desktops in homes and offices, laptops, tablets, netbooks, and multimedia equipment. Windows 7 is an earlier version of Microsoft Windows, a line of operating systems produced by Microsoft Corporation. Windows 7 Ultimate SP1 OEM (x86/圆4) Englishĭownload free Windows 7 Ultimate SP1 (x86/圆4) in Spanish and multilanguage.