The edition templates without pages allow you to create a new edition with all the necessary masters, but to import pages and ads from an edition/ads plan.
1.Select a suitable template without pages in the editions navigator.
2.On the Edition menu, click New from and then wait until new editions appears.
3.See Create edition from a file (import structure)
4.Save the new edition.
About edition templates
The above assumes the edition templates have been created before hand, as explained in Creating Editions or Templates from Scratch.
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After an edition is created from a template without pages, it already contains all the master pages that you need.