If you’re a Windows Insider, the updates that land on your device are not just routine security patches — they can include preview features, experimental fixes, and staged changes that won't necessarily appear in retail Windows for months (or ever). This guide decodes the entries you see under...
ai previews
cfr
channel notes
control feature rollout
copilot+
enablementpack
event viewer
feedback hub
hardware gating
it admins
kb numbers
lcu
optional preview
os build
privacy
rollback
ssu
update history
windows insider
windows update