ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 6 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence
Microsoft[4][6] only says 26H2 went to the Release Preview Channel on 27 August 2026 "ahead of general availability later this calendar year", and the Windows[1] message center names no date as of 22 September 2026. PCWorld[3] reports it "is coming in October 2026": 25H2 started rolling out on 30 September 2025, about a month after its own Release Preview, and 24H2 and 23H2 shipped in October. The pin takes the last day of October, estimated.Microsoft's 2026 annual Windows feature update rolls out as a small enablement package (build 26300) for PCs on 24H2 and 25H2, resetting support to 24 months for Home and Pro and 36 months for Enterprise and Education.
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