How do I stop Insider Preview changing theme to Dark all the time?

Hi folks I've only noticed this recently after ISP upgraded its network. I have a Linux NAS sysem server which serves to a few Windows clients . The server gets at boot time an assigned an IP address via DHCP -- that's fine - I rarely...

Windows 1809 managed to display the control panel as dark, or rather, the internet connections as dark, which I like better than the white. I am talking of the official dark theme that is even applied to the Explorer for the first time, in 1809,...

I installed the dark theme but windows explorer is still with the light white theme so how do I make it dark pls?

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