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Research dossier · General Reference

Windows 1.0

1985 Microsoft operating system version

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 20, 2026
Entity authoritySource title only
Source-derived summary

Windows 1.0 is the first major release of Microsoft Windows, a family of graphical user shells and operating systems for personal computers developed by Microsoft. It was first released to manufacturing in the United States and the general public on November 20, 1985, while the European version was released as Windows 1.02 in May 1986.

Editorial summary

Begin with the source’s own compact description: “Windows 1.0” is 1985 Microsoft operating system version. The dossier treats that line as a proposition to test through Windows, Microsoft and operating, not as a finished interpretation.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1985, 1986—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Windows, Microsoft and operating is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “1985 Microsoft operating system version” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 20, 2026. The first chronological checks are 1985 and 1986.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Windows 1.0”, its source revision and the description used here.
  2. Expand the search: follow Windows 1.0 primary sources, Windows 1.0 archive and Windows research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Windows 1.0”?
  2. Which cited source is closest to the event, object or claim?
  3. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from “Windows 1.0” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.