You will use these to hold your downloads. For instance, create a folder for your audio and video downloads. Do the same for every downloaded program or driver update. Creating those folders will make it easier to find files and programs on your hard drive once they have been downloaded.
Many sites offer links to pages containing downloading instructions.
Keep the instructions at your side. After you click, a dialog box will ask you if you want to run the program or save to disk, meaning the hard drive. As an alternative, you could choose to save the item to a floppy or removable cartridge. Choose to save it. A new dialog box will open.