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Description
Windows 1.0 Premiere Edition is a pre-release version of Windows 1.0, compiled on 30 July 1985. Microsoft originally distributed it to key players in the computer industry to prove their product wasn't vaporware, as the release date had been delayed several times since the original announcement on 10 November 1983. Before releasing the official final version, designated as version 1.01, the memory management code had to be completely rewritten; this would be the key difference between Premiere and 1.01.

Description
Windows 1.0 Premiere Edition is a pre-release version of Windows 1.0, compiled on 30 July 1985. Microsoft originally distributed it to key players in the computer industry to prove their product wasn't vaporware, as the release date had been delayed several times since the original announcement on 10 November 1983. Before releasing the official final version, designated as version 1.01, the memory management code had to be completely rewritten; this would be the key difference between Premiere and 1.01.