Windows Versions Table

Date

Version

Code Name

Comments

8/00

5.00.2195

Windows2000
ServicePack 1

Win 2000
(NT5)

Windows 2000 Service Pack 1 (SP1) is the irst comprehensive collection of bug fixes for the 32-bit versions of Professional, Server, and Advanced Server editions of this OS. Datacenter Server, which became widely available at the same time as SP1, ships with the SP1 fixes out of the box.

6/00

4.90.3000.2
WindowsME

Millennium

Windows Millennium Editon was RTM 6/20/2000. WinME is geared more toward 32bit code, burying DOS even further than in Win98. There is also a new TCP/IP stack and a System Restore feature. IE 5.5 is included. These four items help make WinME the most stable Win9x OS yet. Some minor UI improvements give WinME the look and feel of Win2000. Retail release 9/14/2000.

5/00

4.90.2525.6
WindowsME

Millennium
RC 1

WinME Release Candidate 1 was released to testers 5/24/2000. MS plans RTM in 5 weeks from that date. (Good luck!)

5/00

4.90.2525
WindowsME

Millennium

RC 0

WinME Release Candidate 0 was released to testers 5/9/2000. ME will feature a new TCP/IP stack, digital media improvements, home networking and self-healing capabilities.

4/00

5.01.2223.1
(Windows)

Whistler

Whistler is based on Win2000 (NT). MS plans to market all the business and server version as well as a consumer version. Whistler is not the 64-bit version of Windows 2000. Whistler is planned to use a new user interface. This version is aka Windows.Net 1.0

3/00

?.??.xxxx
Blackcomb

Blackcomb

MS is now developing Blackcomb which will be the follow up to Whistler and will likely form the foundation of Microsoft's Next Generation Windows Services (NGWS) initiative. BTW, Whistler & Blackcomb are ski resorts in British Columbia. This version is aka Windows.Net 2.0

2/00

5.00.2195
Windows2000

Win 2000
(NT5)

Windows 2000 retail release, Februray 17, 2000. At this time, I'm recommending this version to experienced/business users only. It runs perfectly fine, if you're not a gamer. Gamers will likely experience problems with their hardware drivers and games.

1/00

WindowsME
4.90.2419.5

Millennium
Beta 2

Millennium has been officially renamed Windows Millennium Edition or WindowsME. It's coming along and is now stable enough for me to recommend for more experienced users. Projected release date is May 26, 2000.

12/99

5.01.xxxx
Whistler

Whistler

MS is reportedly developing Whistler which will the first consumer version of the NT code. Whistler is currently slated to follow Windows Millennium. One feature, called Fusion, promises to clear up the "dll hell" of Windows. This version will also be known as Windows.Net 1.0

-

INFO

.

MS had 3 Windows consumer version development lines running. Windows Neptune was the codename for the operating system to follow WindowsME. Windows Odyssey was yet another OS that would follow Windows Neptune. Both have since been cancelled in favor of Whistler which will the first consumer version of the NT code.

11/99

Windows
Millennium
4.90.2380.2

Millennium
Beta 1

Windows Millennium will be the final OS based in the 9x series. Microsoft chose this route because of Windows 2000's problems with games and gaming hardware. Currently, Millennium is set to release in November/December 2000.

-

INFO

.

Because of continuing software, hardware and gaming compatibility issues, MS has decided to scrap the consumer version of Windows 2000 and make one more release of the Windows 9x series (Millennium) to help developers and users slowly migrate toward Cairo (aka Windows2000/NT5).

11/99

5.00.2183
Windows2000

NT5
RC3

Release candidate 3 should be near final.

8/ 99

4.10.2222
Update for
Windows98

Windows98
2nd Editon
Updates

This is a CD you can order from Microsoft that will update Win98 4.10.1998 to Win98se. The update installs the latest features and system enhancements of Win98se to your Win98 installation. Get it here. (The Windows 98 Customer Service Pack CD just fixes bugs and Y2K issues, here)

4/99

5.00.2031
Windows2000

NT5
Beta 3

Development progress, but if you want a game machine, stick with Win98. Too many issues for gaming hardware and games.

4/99

4.10.2222

Windows98se

Win98SE
SR1 Final

MS names this Windows 98 SE (second edition). Contains bug fixes, security fixes, IE 5 & DX6.1 Also new functionality and hardware capabilities added.

1/99

4.10.2120

(Windows 98)

Windows98
SP1
Beta 1

Contains IE 5 & DX6.1 Delay of beta 2 caused by bugs in IE5 and a memory leak. Update: MS has discontinued SP1 in favor a smaller patches. At 41mb, MS thought it too big for downloading. MS may release an upgrade CD (SP1) which it would sell for a nominal price from it's website.

10/98

5.00.1877
Windows2000
(WindowsNT)

Cairo
NT5
Beta 2

Cairo was the code name attached to the post NT3 projects and is now a technology goal for future WinNT. Many of Cairo's components are being released between NT4/5. MS renamed NT5 to Windows 2000. Four editions will be released, including a planned W98 successor.

5/98

4.10.1998.6
(Windows98)

(Memphis)
Final

69 cabs with IE4 version 4.72.3110. Features: Some NT kernal and speedier registry handling. Some trouble upgrading if you don't have current drivers and bios, upgrade those first! If you have this version installed, upgrade to Win98se here.

12/97

4.00.950c
(Windows95)

Windows95
SR2.5

OEM only release. Mostly identical to SR2, but adds SR2.1 USB/AGP update along with IE4 and DirectX 5. No longer relevant.

7/97

4.10.1525.3
(Windows9x)
(Windows97)

Memphis
Beta 1
(Win 98)

47cabs with IE4 build 4.71.0913.5. NT kernal and speedier registry handling. Curiously, the version# lines up with W96 (4.10.999). New goodies include Winsock2, multiple displays, DVD player, DirectX5, USB, Memphis specific Tweak UI additions, System Optimizer, System Troubleshooter and TV listings software (MS CDF).

1/97

4.00.950b
(Windows95)

OSR2
Update

500KB 3rd party update for 4.00.950b: OSR2update.zip. Adds mouse highlights, autoarrange command, etc, ála Memphis. Changes version# to 4.10.1351. Recommended for 950b users. If you can't find it, e-mail me and I'll send it to you as an attachment.

12/96

4.03.1115
(Windows95)

Detroit
SR3

This development line attemps to give W95 integrated internet components. Irratic stability. Incompatible with some software. Planned release was 12/96, MS decides to scrap it.

12/96

4.00.950b
Supplement

Windows95
SR2.1

1MB supplement for SR2 named usbsupp.exe. Partial USB support includes host controller and hub drivers, and the HID and Imaging classes. AGP support. Recommended for SR2 users wanting USB.

9/96

4.00.950b
4.00.1111

Windows95
SR2

OEM only release; 28 cabs. Users of 4.00.950/a may have to download some separate posts in order to upgrade to 4.00.950b (no SP2). No longer relevant.

8/96

WindowsNT4

NT 4

Windows NT 4.0 released. It consisted of over 16 million lines of code.

12/95

4.10.999

(Windows96)

Windows96
Nashville

19cab beta of Win96. Never released. Superior memory management, smoother operation and more stable. Forebearer of 'Memphis' and contains some of its functionality. Highly recommended.

8/95

4.00.950a
(Windows95)

Windows95
Chicago

Commercial release of Win95 (17cab upgrade, 28 cab full release). Somewhat unstable and buggy.
No longer relevant.

2/94

Windows 3.11

Windows

Windows for Workgroups 3.11 released with improved networking and fixes.

8/93

NT 3.1
Windows

NT 3.1

Development began in 10/88. In 10/91, a Windows NT demo was displayed publicly at COMDEX. Finally, in 8/93, after 5 years of development, Windows NT 3.1 was released. It consisted of over 6 million lines of code. NT 3.1 was followed by 3.5 and 3.51

6/93

4.00.xxx

Chicago

Microsoft begins the process of developing the sucessor to Windows 3x which will eventually be named Windows 95.

4/92

Windows 3.1

Windows

TrueType fonts and many other features added. 10/92 Windows for Workgroups 3.1 released, adding easier, integrated networking.

5/90

Windows 3.0

Windows

Windows 3.0 is the first version to allow use of memory beyond 640Kb. 10/91 multimedia extensions were released.

4/87

Windows 2.0

Windows

Windows 2.0 is the first version with overlapping windows.

11/85

Windows 1.0

Windows

Windows 1.0 is a GUI for MS-DOS 3.1.