32 bit registry on 64 bit windows

Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. On bit Windows, portions of the registry entries are stored separately for bit application and bit applications and mapped into separate logical registry views using the registry redirector and registry reflection , because the bit version of an application may use different registry keys and values than the bit version.

There are also shared registry keys that are not redirected or reflected. The registry redirector transparently directs an application's registry access to the appropriate ISN subnode. Because of this, the bit and bit contents may differ. For example, pathnames that contain the system32 registry entry are written as SysWOW64 in the bit section of the registry.

The following keys are reflected:. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Reflection involved copying registry keys between the two bit and bit views, creating two separate physical copies.

Windows 7 and Windows Server R2 share the same copy, instead of using reflection. The bit registry editor can also be used to manage bit registry keys.

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