Open terminal and type this
$ sudo apt-get install dropbox python-gpgme $ dropbox start -i
A small window will pop up and you just have to click on the button “Install”
After installing, these boxes will show up one by one, you just have to type your dropbox account and it will automatically download your file from cloud dropbox to your local machine.
Now when you open terminal again, Dropbox was archived there in your home directory.