In most web page creation programs its exactly the same procedure as any word processor or spreadsheet. Click on the file menu, select "save as" and give the file a new name.
If the program you are using is non-standard then you need to give us more details.
Remember Bravenet places NO restriction on what software you use to create your site and there are hundreds of possible programs out there.
How do I add a page to my website?
Ha. This is an awesome smileh.