Microsoft’s August 2025 Patch Tuesday quietly included a small but consequential update for Windows 10: KB5063709, a mandatory cumulative security rollup that doesn’t add consumer-facing features but does lay groundwork for the Extended Security Updates (ESU) experience and fixes a handful of...
build 19041.6216
build 19045.6216
end of support
esu
extended security updates
firmwarecertificatelifecycle
kb5063709
lcu
microsoft account
migration to windows 11
offline deployment
patch tuesday
privacy concerns
secure boot
servicing stack update
settings sync
ssu
update catalog
windows 10
windows update