Step 4, Open File, New Window or Within.... We would like to set NEW WINDOW as default. (Please see screen shot also)
Create a link using the Link tool
Choose Tools > Content > Link. The pointer becomes a cross hair, and any existing links in the document, including invisible links, are temporarily visible.
Drag a rectangle where you want to create a link. This is the area in which the link is active.
In the Create Link dialog box, choose the options you want for the link appearance.
Select one of the following link actions:
Go To A Page View
Click Next to set the page number and view magnification you want in the current document or in another document (such as a file attachment), and then click Set Link.
Open A File
Select the destination file and click Select. If the file is a PDF, specify how the document should open (for example in a NEW WINDOWor within an existing window), and then click OK.
Note: If the filename is too long to fit in the text box, the middle of the name is truncated.
Open A Web Page
Provide the URL of the destination web page.
Custom Link
Click Next to open the Link Properties dialog box. In this dialog box, you can set any action, such as reading an article, or executing a menu command, to be associated with the link.