TECH Signal 40
Why your Windows installation files keep getting bigger - AI is filling up smaller drives
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Engineers managing Windows deployments must now account for significantly larger installation media and disk footprint, which directly impacts devices with smaller storage capacities. The rapid pace of growth—nearly 6,000 new folders and 20,000 new files added in under two years—suggests this trend will continue as Microsoft embeds more AI capabilities into the OS.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
Windows ISO downloads have grown to more than 8 GB, roughly double the size of the original Windows 10 release from 2015.
AI files intended for Copilot+ PCs are the most likely driver of the recent size increase in Windows installation media.
Between November 2024 and July 2026, almost 6,000 new folders and over 20,000 new files were added to the Windows installer.
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