Microsoft KB Archive/102152

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INF: Visual C++ for Windows Version 1.0 System Requirements PSS ID Number: Q102152 Article last modified on 01-20-1994



The information in this article applies to:
- Microsoft Visual C++ for Windows, version 1.0


Microsoft Visual C++ version 1.0 for Windows has the following system requirements:

  Personal computer with a 386 or higher processor running
  MS-DOS version 5.0 or later and Windows version 3.1 or
  later in 386 enhanced mode.

  4 MB of available memory (8 MB recommended).

  One 3.5-inch high density diskette drive or a CD-ROM drive.

  A hard disk with 25 MB available for minimum installation
  (50 MB for maximum installation).

  A VGA or higher-resolution monitor.

  Microsoft mouse or compatible pointing device.

The Visual Workbench Users Guide incorrectly lists some of these requirements on page 5. For example, it states that only 6 MB is recommended and that either a 5.25-inch or a 3.5-inch high density disk drive is needed.


While 5.25-inch high density disks are not in the package, they are available upon request. Customers needing them should contact Microsoft Customer Service at 800-426-9400.

The hard disk requirements listed on the package are for a minimal installation. A minimal installation needs about 25 MB (no help files, samples, extra tools, etc.). The professional edition default installation requires approximately 38 MB with 51 MB to 65 MB needed for a maximum installation. For the Standard Edition, a default installation takes about 33 MB with 37 MB for a maximum installation. The CD-ROM version can be installed to a hard disk, or the compiler can run from the CD with about 5 MB of tools installed on the hard disk.

The “available memory” part is not refering to the total amount of memory on a machine but rather how much of that memory is actually free. Generally, machines with less than 8 MB of total RAM will need a Windows swap file to increase the available memory. On most machines with less memory, i.e. 4 MB total, if SMARTDRV and Windows are running you may have only 1-2 MB actually available unless you have a swap file.

To determine the amount of available memory, select Help from Program Manager and choose About Program Manager. The memory availabe needs to be at least 3 MB for Setup to run and at least 5 MB or more for building any applications.

A small swap file may allow setup to run. However, it needs to be larger to compile most programs. For example, the MFC sample SUPERPAD may need a 4-5 MB swap file to compile depending on how much other available memory there is. Even on machines with more memory a swap file improves performance and may be necessary if other memory resident software is running, or if a RAM disk or EMS memory is allocated.

To view or modify the memory used for the Windows swap file, select Control Panel, choose 386 Enhanced Options and then Virtual Memory. See your Windows manual for more information on swap files.

Additional reference words: 8.00 1.00 c8setup


Copyright Microsoft Corporation 1994.