1. On the File menu, point to New, and then click Create from Master Page.
Tip You can also right-click the master page in the Folder List, and then click New from Master Page on the shortcut menu.
2. In the Select a Master Page dialog box, do one of the following:
-> Click Default Master Page to use the master page that is currently set as the site’s default master page.
-> Click Custom Master Page to use the master page that is currently set as the site’s custom master page.
-> Click Specific Master Page to use a master page of your choosing that is not currently set as either the site’s default master or custom master, and then click Browse to locate and select the master page that you want.
Note If you choose a specific master page, the master page must reside in the same site collection as the current site.
3. Click OK.