History System Requirements Windows

Windows 1.0 released November 20th 1985.
 - Video card CGA / Hercules / EGA (or compatible)
 - MS-DOS 2.0
 - 256 KB Ram
 - 2 drive or hard disk

Windows 2.1 officially released on May 27 1988.
Interesting fact: Version 2.10 was released specifically to support the Intel 286 appeared
 - MS-DOS version 3.0 or higher
 - 512 K RAM
 - One drive and one hard disk
 - Graphics card
 - Microsoft mouse - optional

Several versions of Windows 3.1 released between 1992 and 1994.
Interesting fact: The main difference between this version of the operating system was that the system installer refused to run on DOS-systems other than MS-DOS.
 - MS-DOS 3.1 or higher
 - The Intel 80286 (or higher)
 - 1 MB of memory or more (640K and 256K extended basic)
 - 6.5 MB of disk space (recommended 9 MB)

Windows 95, released on August 24 1995.
Interesting fact: The main improvement is the new graphical interface. In fact, the general format and structure of the GUI is still used in Windows.
 - Intel 80386 DX CPU
 - 4 MB RAM
 - 50 MB of hard disk space

Windows 98, released June 25, 1998
Interesting Fact: Windows 98 was the first operating system that uses technology to WDM (Windows Driver Model).
 - Processor 486DX-2/66 MHz or higher (recommended Pentium)
 - 16 MB RAM (recommended 24MB)
 - At least 500 MB of disk space
 - Monitor with VGA resolution or higher
 - CD-ROM drive or DVD-Rom
 - Microsoft Mouse or other pointing device

Windows 2000, released on 17 February 2000. It produced three different versions of different system requirements for each.
Interesting fact: Microsoft Windows 2000, advertised as "the standard of reliability" in this system were presented new features such as the Windows Desktop Update, Internet Explorer 5 and Outlook Express. There have also been significant improvements made in Windows Explorer.
The Windows 2000 Professional
 - Pentium-compatible processor with a frequency of 133 MHz or higher
 - 32 MB RAM (64 are recommended for MB)
 - 700 MB of hard disk space (recommended 2 GB)
The Windows 2000 Server / Advanced Server
 - 133 MHz CPU
 - 256 MB RAM minimum
 - 2 GB of hard disk space

Windows Me released on September 24, 2000
Interesting Fact: Windows Me was relevant more than a year, after which it was replaced by Windows XP
 - Pentium processor with a frequency of 150 MHz
 - 32 MB RAM
 - 320 MB of hard disk
Note: This was the last version of Windows subsystem works with MS-DOS in real mode, though access to it was closed.

Windows XP released on October 25 2001.
Below are the minimum requirements for XP Home and Professional.
 - Processor with a frequency of 233 MHz
 - 64 MB RAM
 - 1.5 GB free hard disk space
 - SVGA video card and monitor
 - CD-ROM drive or DVD

Windows Vista introduced to the public January 30 2007.
An interesting fact: one of the main aspects of the OS that is criticized - its system requirements.
Vista Premium Ready
 - 1.0 GHz processor
 - 1 GB RAM
 - 128 MB of graphics memory
 - Hard disk capacity of 40 GB
 - 15 GB of free disk space