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installer time patch
About this tag
The installer time patch tag covers Windows updates that are applied during the initial setup phase, known as the Out-of-Box Experience (OOBE). These specialized packages, such as KB5070349 for Windows 11 24H2 and 25H2, modify the first-boot UI and setup flow. Unlike typical cumulative updates, installer time patches run only when a device has an active internet connection during first-time setup. They are targeted at IT professionals managing enterprise deployments and are not delivered to running systems. The tag focuses on the technical details of these updates, including their purpose, timing, and impact on Windows installation processes.
Microsoft has quietly published KB5070349 — an Out‑of‑Box Experience (OOBE) update for Windows 11 versions 24H2 and 25H2 (and Windows Server 2025) — a targeted, installer‑time package that modifies the initial setup flow and the files that drive the first‑boot UI. Background
OOBE updates are a...