There are a variety of methods for viewing a list of versions for an object.
For forms, right-click the header and select Configure > Form Layout.
For lists, perform the appropriate action for the list version.
List v2: Right-click the header and select Configure > List Layout.
List v3: Open the list title menu and select List
Layout.
Click the Show Versions related link.
For tables that use the update_synch attribute, add the Versions
related list to the form. This list is on several forms by default, including, business
rules, UI actions, and client scripts.
For any customizable object, right-click the form header and select Show
Application File, then scroll down to the Related Record Versions
related list.
You can navigate from a version record to:
The customized object: Click the Show Related Record related
link.
The application file record for the object: Click the Show Application
File related link.