Windows 3.00a

Windows 3.00a
Basic Information
Developer(s)	Microsoft Corporation
Publisher(s)	Microsoft Corporation
Type(s)	Operating System
Architecture(s)	80286 and IA-32
Status(es)	Unsupported
Series	Microsoft Windows
Predecessor	Windows 3.0
Successor	Windows 3.1
Platform(s)	MS-DOS
International Release Date(s)
MS-DOS October 31, 1990
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Windows 3.00a is an update to the Windows 3.0 graphical operating system released by Microsoft Corporation in December 1990. Support officially ended on December 31, 2001. The OEM release Windows 3.0 + Multimedia Extensions 1.0 was based on this bugfix release.

Features

Windows 3.00a is a bugfix release to Windows 3.0, and mostly revolved around fixing errors related to the Windows DOS Extender, where problems might occur when DOS programs are called into Real Mode despite Windows 3.0 being loaded in 386 Enhanced Mode. The installation process was also simplified, and several crashes related to printing, networking, and low-memory conditions were also fixed.

Minimum Specifications

MS-DOS Minimum/Recommended Specifications
Minimum Specifications		Recommended Specifications
Operating System	MS-DOS 3.1 or PC-DOS 3.1
CPU	80286	CPU	80386SX or 80386DX
RAM	640 KB conventional memory	RAM	640 KB conventional memory and 256 KB extended memory
Graphics	CGA, EGA, VGA, 8514/A, Hercules graphics card or compatible graphics card	Graphics	EGA or higher
Storage	Hard disk required
Floppy Disk Drive	A low-density (720 KB) 3.5" or 1.20 MB 5.25" Floppy Disk Drive is required for Installation.
Connectivity	Hayes or compatible modem for communications.
Input	Microsoft Mouse or compatible