Windows 1.0x

Build list

Build is available

Build is available but in a modified state

Build is partially available

Build is available as a remake

Build is confirmed to exist

Build is unconfirmed

Build is from a file version

Build is from a build list

Build is fake

Status unknown (usually a placeholder label)

Pre-DR

Demonstration 0.01 (aka BYTE build)

Internal Test Release 3 (Mark Tuson's BYTE build mockup)

0.90

0.98

0.989 (source missing but assumed fake like the rest of 0.9x)

0.99

Personal Computer News 1983-12-01 build

1983-11-10 announcement build

1983-11-01 build

InfoWorld 1983-11-21 build

Fall COMDEX build

Fall COMDEX build (Honeywell OEM)

Fall COMDEX build (Wang OEM)

Fall COMDEX build (Zenith OEM)

1983-11-20 build

1984-02-22 build

West Coast Computer Faire build (unconfirmed because it could be another build)

Olivetti M21/M24 demonstration build

Developer Release

Developer Release 1

Developer Release 2

Tandy 2000 builds

PC Mag 1984-06 Tech Seminar Demonstration builds

Developer Release 3

Apricot Xi demonstration build

Developer Release 4

Developer Release 5

Pre-release

Alpha Release

Alpha Release (RM Nimbus PC-186 OEM)

Science et Vie Micro build

InfoWorld 1985-07-01 build

Beta Release

Beta Release (RM Nimbus PC-186 OEM)

Beta Release (Zenith Z-100 OEM)

Final Beta Release

Release Candidate

Preliminary Version 0.50

PC Mag 1985-08-20 build

1985-06-29 build

Premiere Edition

1.xx/1.xy base build (1985-09-03)

1985-09-09 build

1985-09-23 build

1985-09-25 build

1.xx

1.xy

1985-09-30 build

1985-10-11 build

1985-10-28 build

Beta V1.00.08

Retail Beta V1.00.09

Retail

1.00

1.05

1.01

1.01

1.01 (DEC VAXmate OEM) ("1.01.11")

1.01 (NEC PC-9800 OEM)

1.01 (Tandy OEM)

1.01 (Tulip OEM) ("TC 1.00")

1.01 (Zenith Z-100 OEM) ("1.AX")

1.01 (Zenith Z-100 PC Compatible OEM)

1.02

Beta V1.02.02

1.02

1.02 (Harvard Graphics OEM)

1.02 (NEC PC-9800 OEM)

1.02 (Philips P3102 OEM)

1.02 (RM Nimbus PC-186 OEM)

1.02 (RM Nimbus PC-286 OEM)

1.02 (Siemens PC-D OEM, r1.01)

1.02 (Siemens PC-D OEM, r2.01)

1.02 (Siemens PCD-2 OEM)

1.03

Beta V1.03.04

1.03

1.03 (Apricot XEN OEM) ("VR1.03")

1.03 (Apricot XEN-i OEM) ("VB1.03")

1.03 (Apricot XEN-i 386 OEM) ("VR1.03")

1.03 (AT&T OEM)

1.03 (DEC Rainbow 100 OEM) ("1.03.04")

1.03 (DEC VAXmate OEM) ("1.03.08")

1.03 (HP-150 OEM) ("A.01.03")

1.03 (HP Vectra OEM) ("A.01.03")

1.03 (ICL OEM) ("1.03.08")

1.03 (ICL OEM) ("1.03.09")

1.03 (ICL OEM) ("1.03.10")

1.03 (ICL OEM) ("1.03.11")

1.03 (NEC PC-9800 OEM)

1.03 (Olivetti OEM)

1.03 (RM Nimbus PC-186 OEM)

1.03 (Siemens PCD-2 OEM)

1.03 (Tulip OEM) ("TC-1.03")

1.04

1.04

1.04 (DEC Rainbow 100) ("1.03.04"...?)

1.04 (IBM OEM)

1.04 (Zenith OEM)