Here I will point four steps to specify it.
Step 1, please enter into this link: http://www.verypdf.com/order_pdftools_gui.html, and download this software for the further use. Do remember to extract it, when the download is finished. For it is zipped package, then unzip it.
Step 2, install this executable file in your computer. You should better to register it. This process is vey easy, you only need to input code into this software. Of course , we enclosed it in this software. If not, this software is just a trial version. Some functions will be disabled. After you finished these procedures, it appears an icon of the Advanced PDF Tools in your computer.
( Picture 1)
We can find that the pdf size had already changed 13.7MB from 13.8MB, the bookmarks had already removed . It is very easy, isn’t it ? So hurry up to enjoy it by yourself.