how to download document from SCRIBD for free?
1. use guerrillamail to create a temp mail, then create a new account for
SCRIBD
2. remember the address(URL) which you want to download
3. update a non-empty txt file to your account, then not close the page which
you update file, the paste the url in step 2 in this address bar for step 3,
hint enter, the click download button, the download dialog will show up.

ref:
https://www.youtube.com/watch?v=X1ea64vesfk
https://www.guerrillamail.com