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Windows 11 ISO compressed to fit on a CD-ROM

Developer NTDEV has created a proof-of-concept Windows 11 ISO that fits on a 700MB CD-ROM, weighing in at just under 700MB. This compressed version, built using an unreleased tool called Pico11, boots to a functional desktop and can run basic applications like Calculator, Notepad, and Paint. However, features such as Windows Update have been removed to achieve this extreme size reduction, and the Task Manager appears to be a legacy version, possibly from Windows 7. AI

RANK_REASON This is a demonstration of a tool's capability to compress an operating system, not a new product release or significant industry development.

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AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Windows 11 ISO compressed to fit on a CD-ROM

How we ranked this

Signal score
2 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
This is a demonstration of a tool's capability to compress an operating system, not a new product release or significant industry development.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
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AI-industry relevance
Low
Off-topic or adjacent — cluster remains reachable but doesn't surface in AI-industry rankings.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. Tom's Hardware TIER_1 English(EN) · Mark Tyson ·

    Windows 11’s ‘whole ISO’ squeezed into a CD-ROM

    Professional Windows crusher NTDEV has showcased their next-generation tool for compressing Windows 11 with a video of an install that fits on a single CD-ROM.