Most of the time, Windows updates are installed automatically on Patch Tuesday, but only if Windows is configured that way.
See How to Change Windows Update Settings for more on this and how to change how updates are downloaded and installed.
It has been argued by experts that both cases could have massive implications on the UK’s growing gig economy, with increasing numbers of self-employed workers predicted to put forward their case for employment rights.
The Windows Update service is not the only way to install Windows updates.
As mentioned above, updates to Windows can also be downloaded individually from Microsoft Download Center and then installed manually.
Any updates available via Windows Vista's Windows Update utility are ones that have not been installed since support ended on April 11, 2017.
If you have all updates already downloaded and installed up to that point in time, you will not see any available updates.