This will be the larger download because it contains the complete file set that you can use to install this version of any product on any computer. You can use these download files to install on another computer, but when the installation runs you may have to download additional files to complete the installation file set on that computer. However, if you try to use this downloaded file set on another computer to perform an installation, some files could be missing (because the installation file set on the other computer might be different from this one).
Only the prerequisite files that are required for your computer but not yet installed.Only files for products selected on the Product Selection page.
This should be a smaller download because it contains: