Edit C:\Windows\PolicyDefinitions\DWM.admx

??<?xml version="1.0" encoding="utf-8"?>

<policyDefinitions xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" revision="1.0" schemaVersion="1.0" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
  <policyNamespaces>
    <target prefix="dwm" namespace="Microsoft.Policies.DesktopWindowManager" />
    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  <categories>
    <category name="CAT_DesktopWindowManager" displayName="$(string.CAT_DesktopWindowManager)">
      <parentCategory ref="windows:WindowsComponents" />
    </category>
    <category name="CAT_DesktopWindowManagerColorization" displayName="$(string.CAT_DesktopWindowManagerColorization)">
      <parentCategory ref="CAT_DesktopWindowManager" />
    </category>
  </categories>
  <policies>
    <policy name="DwmDisallowAnimations_1" class="User" displayName="$(string.DwmDisallowAnimations)" explainText="$(string.DwmDisallowAnimationsExplain)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DisallowAnimations">
      <parentCategory ref="CAT_DesktopWindowManager" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DwmDisallowAnimations_2" class="Machine" displayName="$(string.DwmDisallowAnimations)" explainText="$(string.DwmDisallowAnimationsExplain)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DisallowAnimations">
      <parentCategory ref="CAT_DesktopWindowManager" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DwmDisallowFlip3D_1" class="User" displayName="$(string.DwmDisallowFlip3D)" explainText="$(string.DwmDisallowFlip3DExplain)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DisallowFlip3d">
      <parentCategory ref="CAT_DesktopWindowManager" />
      <supportedOn ref="windows:SUPPORTED_Windows7ToVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DwmDisallowFlip3D_2" class="Machine" displayName="$(string.DwmDisallowFlip3D)" explainText="$(string.DwmDisallowFlip3DExplain)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DisallowFlip3d">
      <parentCategory ref="CAT_DesktopWindowManager" />
      <supportedOn ref="windows:SUPPORTED_Windows7ToVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DwmDisableAccentAndGradient" class="Machine" displayName="$(string.DwmDisableAccentAndGradient)" explainText="$(string.DwmDisableAccentAndGradientExplain)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DisableAccentGradient">
      <parentCategory ref="CAT_DesktopWindowManager" />
      <supportedOn ref="windows:SUPPORTED_Windows8" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DwmDefaultColorizationColor_1" class="User" displayName="$(string.DwmDefaultColorizationColor)" explainText="$(string.DwmDefaultColorizationColorExplain)" presentation="$(presentation.DwmDefaultColorizationColor_1)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DefaultColorizationColorState">
      <parentCategory ref="CAT_DesktopWindowManagerColorization" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
      <elements>
        <decimal id="DwmDefaultColorizationColorAlpha" valueName="DefaultColorizationColorAlpha" required="true" maxValue="255" />
        <decimal id="DwmDefaultColorizationColorRed" valueName="DefaultColorizationColorRed" required="true" maxValue="255" />
        <decimal id="DwmDefaultColorizationColorGreen" valueName="DefaultColorizationColorGreen" required="true" maxValue="255" />
        <decimal id="DwmDefaultColorizationColorBlue" valueName="DefaultColorizationColorBlue" required="true" maxValue="255" />
      </elements>
    </policy>
    <policy name="DwmDefaultColorizationColor_2" class="Machine" displayName="$(string.DwmDefaultColorizationColor)" explainText="$(string.DwmDefaultColorizationColorExplain)" presentation="$(presentation.DwmDefaultColorizationColor_2)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DefaultColorizationColorState">
      <parentCategory ref="CAT_DesktopWindowManagerColorization" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
      <elements>
        <decimal id="DwmDefaultColorizationColorAlpha" valueName="DefaultColorizationColorAlpha" required="true" maxValue="255" />
        <decimal id="DwmDefaultColorizationColorRed" valueName="DefaultColorizationColorRed" required="true" maxValue="255" />
        <decimal id="DwmDefaultColorizationColorGreen" valueName="DefaultColorizationColorGreen" required="true" maxValue="255" />
        <decimal id="DwmDefaultColorizationColorBlue" valueName="DefaultColorizationColorBlue" required="true" maxValue="255" />
      </elements>
    </policy>
    <policy name="DwmDisallowColorizationColorChanges_1" class="User" displayName="$(string.DwmDisallowColorizationColorChanges)" explainText="$(string.DwmDisallowColorizationColorChangesExplain)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DisallowColorizationColorChanges">
      <parentCategory ref="CAT_DesktopWindowManagerColorization" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DwmDisallowColorizationColorChanges_2" class="Machine" displayName="$(string.DwmDisallowColorizationColorChanges)" explainText="$(string.DwmDisallowColorizationColorChangesExplain)" key="SOFTWARE\Policies\Microsoft\Windows\DWM" valueName="DisallowColorizationColorChanges">
      <parentCategory ref="CAT_DesktopWindowManagerColorization" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
  </policies>
</policyDefinitions>

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