This policy setting determines whether Internet Explorer 11 uses 64-bit processes (for greater security) or 32-bit processes ...

Windows 10

This policy setting determines whether Internet Explorer 11 uses 64-bit processes (for greater security) or 32-bit processes (for greater compatibility) when running in Enhanced Protected Mode on 64-bit versions of Windows.

Important: Some ActiveX controls and toolbars may not be available when 64-bit processes are used.

If you enable this policy setting, Internet Explorer 11 will use 64-bit tab processes when running in Enhanced Protected Mode on 64-bit versions of Windows.

If you disable this policy setting, Internet Explorer 11 will use 32-bit tab processes when running in Enhanced Protected Mode on 64-bit versions of Windows.

If you don't configure this policy setting, users can turn this feature on or off using Internet Explorer settings. This feature is turned off by default.

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