![Windows Chicago 4.00.40 [Was under development in the past] @akibachudoku](https://i.ytimg.com/vi/f_lZicLKpzI/maxresdefault.jpg)
Uploaded January 2021 | Updated September 2026, 2 weeks ago
#1, Installed on Windows 3.1.
#2, This PRERELEASE version of Microsoft Chicago is under construction !! ... There is a description that.
#3, Most device drivers such as Video Cards, Sound Cards, and LAN Cards cannot be installed.
#4, Most applications do not work (betaarchive.com/forum/viewtopic.php?t=16815)
#5, This old machine specs.
Motherboard : Intel E139761 (FUJITSU FMV-DeskPower) Socket Slot 1.
CPU : Intel PentiumⅡ 233MHz.
Memory : SDR-SDRAM 168-pin PC-100 128MB x3 (MAX 384MB).
Video Card : S3TRIO 3D/2X AGP Slot.
Sound Card : Creative SoundBlaster 16 ISA Slot.
LAN Card : 3Com EtherLinkⅢ 3C509B-TPO ISA Slot.
#1, Installed on Windows 3.1.
#2, This PRERELEASE version of Microsoft Chicago is under construction !! ... There is a description that.
#3, Most device drivers such as Video Cards, Sound Cards, and LAN Cards cannot be installed.
#4, Most applications do not work (betaarchive.com/forum/viewtopic.php?t=16815)
#5, This old machine specs.
Motherboard : Intel E139761 (FUJITSU FMV-DeskPower) Socket Slot 1.
CPU : Intel PentiumⅡ 233MHz.
Memory : SDR-SDRAM 168-pin PC-100 128MB x3 (MAX 384MB).
Video Card : S3TRIO 3D/2X AGP Slot.
Sound Card : Creative SoundBlaster 16 ISA Slot.
LAN Card : 3Com EtherLinkⅢ 3C509B-TPO ISA Slot.
![Windows Chicago 4.00.40 [Was under development in the past]](https://i.ytimg.com/vi/f_lZicLKpzI/mqdefault.jpg "Windows Chicago 4.00.40 [Was under development in the past]
#1, Installed on Windows 3.1.
#2, This PRERELEASE version of Microsoft Chicago is under construction !! ... There is a description that.
#3, Most device drivers such as Video Cards, Sound Cards, and LAN Cards cannot be installed.
#4, Most applications do not work (https://www.betaarchive.com/forum/viewtopic.php?t=16815)
#5, This old machine specs.
Motherboard : Intel E139761 (FUJITSU FMV-DeskPower) Socket Slot 1.
CPU : Intel PentiumⅡ 233MHz.
Memory : SDR-SDRAM 168-pin PC-100 128MB x3 (MAX 384MB).
Video Card : S3TRIO 3D/2X AGP Slot.
Sound Card : Creative SoundBlaster 16 ISA Slot.
LAN Card : 3Com EtherLinkⅢ 3C509B-TPO ISA Slot.")
![With bugs the Windows Whistler Professional [5.1, Build 2458]](https://i.ytimg.com/vi/gtAuyfTTHv8/mqdefault.jpg "With bugs the Windows Whistler Professional [5.1, Build 2458]
#1, Motherboard (get at the junk shop) : ASUS TUSL2-C Socket 370.
#2, Using the LAN Card is Realtek RTL8139, but the situation was the same with other LAN Cards.
#3, Maybe this version has network is corrupted.")
![Microsoft Windows .NET Advanced Server [5.1, Build 3604]](https://i.ytimg.com/vi/hl0YVQ_i8uo/mqdefault.jpg "Microsoft Windows .NET Advanced Server [5.1, Build 3604]
Motherboard : ASRock ConRoe 865PE Socket LGA 775.")
![Installation of the Windows Longhorn [Build 5365.8 Beta 2]](https://i.ytimg.com/vi/iv67WInAXGk/mqdefault.jpg "Installation of the Windows Longhorn [Build 5365.8 Beta 2]
Motherboard : Intel DP965-LT Socket LGA 775.
Specs are the same as last time.")
