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Dark Theme for Windows

config/tweaks.json
2165  "WPFToggleDarkMode": {
2166    "Content": "Dark Theme for Windows",
2167    "Description": "Enable/Disable Dark Mode.",
2168    "category": "Customize Preferences",
2169    "panel": "2",
2170    "Type": "Toggle",
2171    "registry": [
2172      {
2173        "Path": "HKCU:\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize",
2174        "Name": "AppsUseLightTheme",
2175        "Value": "0",
2176        "Type": "DWord",
2177        "OriginalValue": "1",
2178        "DefaultState": "false"
2179      },
2180      {
2181        "Path": "HKCU:\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize",
2182        "Name": "SystemUsesLightTheme",
2183        "Value": "0",
2184        "Type": "DWord",
2185        "OriginalValue": "1",
2186        "DefaultState": "false"
2187      }
2188    ],
2189    "InvokeScript": [
2190      "
2191      Invoke-WinUtilExplorerUpdate
2192      if ($sync.ThemeButton.Content -eq [char]0xF08C) {
2193        Invoke-WinutilThemeChange -theme \"Auto\"
2194      }
2195      "
2196    ],
2197    "UndoScript": [
2198      "
2199      Invoke-WinUtilExplorerUpdate
2200      if ($sync.ThemeButton.Content -eq [char]0xF08C) {
2201        Invoke-WinutilThemeChange -theme \"Auto\"
2202      }
2203      "
2204    ],

Registry Changes

Applications and System Components store and retrieve configuration data to modify windows settings, so we can use the registry to change many settings in one place.

You can find information about the registry on Wikipedia and Microsoft’s Website.