Microsoft office.com/setup, or simply Office, is a family of client software, server software, and services developed by Microsoft. It was first announced by Bill Gates on August 1, 1988, at COMDEX in Las Vegas. Initially a marketing term for an office suite (bundled set of productivity applications), the first version of www.office.com/setup contained Microsoft Word, Microsoft Excel, and Microsoft PowerPoint. https://offishsetup.com