as i remember, u need to put the right phone number on ur information
they will call u to make sure that the phone is your's
and they will do a confirmation about ur verification
ok now i will help u to download the form

i think u dont have the adobe reader/pro
cos i saw ur mozilla failed to open the *.pdf file
please kindly install adobe pro (if u want to writing the downloaded file)
or u can find a free software for pdf writter,editor and reader

when u click the download form, the browser automaticly try to open the pdf file on ur browser
now u can download it without open it from ur browser
first u click the right click on ur mouse or ur touch pad, and the choose the save link as..
save it in ur folder, and install the software for pdf editor

any question pls let me know