System requirements
In 1991, Microsoft issued the first Windows version of Works, titled MS Works for Windows 2.0. System requirements consisted of Windows 3.0, a 286 CPU, and 1MB of memory. Works 3.x in 1993 moved to requiring Windows 3.1, a 386 CPU, and 4MB of memory. Subsequent releases were for Windows 95 and up and the final version was Works 9.x in 2007, requiring Windows XP or Vista, 256MB of memory, and a Pentium 4 CPU.