Learn · Windows PC
Keep Windows updating automatically
5 min · essential
· HomeOS can check this for you
Why this matters. Most successful attacks use weaknesses that already have a fix. The fix just hasn't been installed yet. Windows Update installs Microsoft's monthly security fixes. Restarting when it asks is part of the job: many updates only take effect after a restart.
1
Open Windows Update
Click Start, then Settings, then Windows Update in the left-hand list.
Settings › Windows Update
— ☐ ✕
You're up to date
Check for updates
Check, install, restart
Get the latest updates as soon as they're available
Pause updates
Update history
2
Install and restart
Click Check for updates, install everything offered, and restart when asked. Make sure updates aren't paused.
3
Know when a PC is too old
Windows 10 stopped getting free security updates in October 2025. If this PC still runs Windows 10, upgrade it to Windows 11 if it's eligible, or plan to replace it.
Check your understanding
Why does restarting matter?
Many updates only take effect after a restart. An installed-but-not-restarted fix isn't protecting you yet.
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Checked against:
Microsoft: Update Windows · Microsoft: Windows 10 end of support
· last reviewed 2026-09