Windows 3.1 Runs in Standard and Enhanced Modes Only

 Last reviewed: November 30, 1994
Article ID: Q79749
The information in this article applies to:
  • Microsoft Windows operating system versions 3.1, 3.11

Microsoft Windows version 3.1 does not run in real mode on any machine. Real mode has been removed from the Windows product for version 3.1. Windows 3.1 runs on an Intel 80286 or higher processor in standard or enhanced modes only.

System requirements for standard mode are:

  • Intel 80286 (or higher) processor
  • 1 MB or more of memory (640K conventional and 256K extended)
  • 6.5 MB of free disk space (9 MB is recommended)

System requirements for enhanced mode are:
  • Intel 80386 (or higher) processor
  • 2 MB or more of memory (640K conventional and 1024K extended)
  • 8 MB of of free disk space (10.5 MB is recommended)

KBCategory: kbsetup kbusage
KBSubcategory: win31
Additional reference words: 3.10 win31 3.11

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Last reviewed: November 30, 1994
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