If you are not prompted to install a new version of i Tunes, you already have the latest version your operating system can support.
Windows Update Agent (WUA) automatically updates itself when it is connected to a Windows Server Update Services (WSUS) server or to Windows Update.
You can also use a signed installation package that is available from Microsoft to manually update WUA.
You can set your App Store preferences to ”Download newly available updates in the background.” If you're using OS X El Capitan v10.11.5 or later, these updates include major new mac OS versions, such as mac OS Sierra.
Your Mac then notifies you when the updates are ready to install.
The table below contains the latest Flash Player version information.