Windows 1.0

Windows 1.x packing

Windows 1.x is the first version of Microsoft Windows. Developed since 1983, the first retail version, Premiere Edition (1.00), was completed on 17th August 1985 but it wasn't sold. 1.01 was the first Windows that arrived in stores and was released on 20th November 1985. The last version, 1.04 was released in April 1987. Windows 1.x didn't gain great popularity. Two non-english (1.03 German and French) and 3 OEM releases (1.01 Zenith, 1.03 Olivetti and Siemens) are known.

Builds

• No information available
• Existence doubtful
• Information or pictures available
• Leaked or released

Pre-release

DR5 is often mislabeled as DR3.

• Windows Developer Release 1 (DR1)
• Windows Developer Release 2 (DR2)
• Windows Developer Release 3 (DR3)
• Windows Developer Release 4 (DR4)
• Windows Developer Release 5 (DR5)
• Windows Alpha
• Windows Beta
• Windows Premiere Edition

RTM

• Windows 1.01 (Retail)
• Windows 1.02 (Retail)
• Windows 1.03 (Retail)
• Windows 1.03 (Olivetti OEM)
• Windows 1.03 (Siemens OEM)
• Windows 1.04 (Retail)

See also

• Interface Manager

External links

• YouTube: Windows 1.0 TV ad
• YouTube: History of Microsoft - 1985 (part about Windows 1.x: 2.02 - 8:39)