Windows 95/4.00.81

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Chicago 81.png
Windows 95 Build 81
Kernel version Windows 9x 4.00
CPU architecture x86
Edition n/a
BIOS date January 21, 1994


Build 81 is the earliest leaked Chicago build which uses the single Start button and menu by default, though 73f is the earliest leaked build to include them. It is the first leaked build to introduce the now famous "X" close button on windows and by this point, the overall UI was mostly done and merely refined in later builds.

Installation

Installing from Windows 95 Boot Floppy
1. Prepare Disk with fdisk.exe, reboot, then format. format.com C:
2. Run setup.exe
3. Accept the default settings then continue to the file copying process. You may also customize the features to be installed.
4. When complete, reboot with the floppy still connected.
5. Run edit.com and press ALT+F+O. Browse to C:\config.sys
6. Change Files=30 and Buffers=30 to Files=90 and Buffers=90
7. Save changes (ALT+F+S) then exit (ALT+F+X)
8. Remove floppy and then boot to Windows.

Changes From Build 73g

Setup
None

UI
1. Under Construction background is centered.
2. New single Start button.
3. Running Applications above task bar removed.
4. Control Panel Changes.
5. All icons in explorer are organized by just name.

Virtual PC Issues

If you're installing this build in Microsoft Virtual PC 2004/2007, make sure to select "XGA compatible" as your display adapter during Setup. This build appears to have an issue with S3 and VGA drivers on VPC and will not boot with them. If you want a higher resolution, you can use the Super VGA driver from build 73f/g - select "Other..." and point to a floppy disk containing files MSDISP.INF and SUPERVGA.DRV from build 73f/g.