To turn pages, use the sideways arrows on your keyboard, or mouse click on the arrows at the top.
You can open the pane viewer (top left) to scroll or choose a page to go to.
For the full experience choose full screen - then with a touch screen device - you can swipe.
If you choose to download the document - please be aware that these are the first versions of each and I may decide to update them as new information is learned. If you subscribe I will email you (only) when material changes are made either to the site content or the Trilogy of documents.