Enable Dark Mode (Registry Tweak)

Windows Registry Editor Version 5.00

; Enable Dark Mode
; Switches File Explorer and other system surfaces to dark mode.
;
; Usage: double-click to apply, then sign out and back in (or restart
; explorer.exe) for it to take full effect. Back up your registry first
; if you're unsure (File > Export in Registry Editor).

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize]
"AppsUseLightTheme"=dword:00000000