You can buy a pages app in the mac app store for I think $10, but I could be wrong. Pages makes fancy documents such as brochures and advertisements. If you don't want to buy it, the Mac comes with TextEdit.
It all depends on what you are downloading. Sometimes it is best to leave it at the default for what the mac thinks it should open the download in. If it is a text document, open it with Word.
you go to document's, and it should say different graphs.
to quickly create a workspace with the document anme and place the document in the workspace.
drag to trash
to quickly create a workspace with the document name and place the document in the workspace
The rules vary in every jurisdiction and such a complex testamentary document should be drafted by a professional. You should consult with an attorney who specializes in probate law in your jurisdiction.
Command-S
Create a blank document.
If the document from the Mac has been saved in a format recognised by Word then it can be opened by Word. There are variations in different versions of Word which means that sometimes even Word cannot open a Word document.
I believe that saves a document.
Create a new document in any of the office 2007 programs and save this document.
You can't exactly edit pub files on a Mac, but you can convert the file to PDF.