You will find the majority of files and documents from the site on this page. This is done for your convenience to find and download material of relevance.
Each download has an icon for type of file, name, and size, date of creation, a link to location, and a short description.
Some types of files, e.g. Adobe PDF, open in a new window when clicked. Right click on the icon and choose "Save destination as..." to download directly to disk.
You will need Adobe Acrobat Reader. You can get it here.