The downloaded package will be like FileZilla_3.5.1_i586-linux-gnu.tar.bz2
Now open terminal and log in as root.
Go to the folder where the package is saved
Extract the package using the command
tar -jxvf FileZilla_3.5.1_i586-linux-gnu.tar.bz2
The extracted files will be saved in FileZilla3 folder
Copy the folder 'FileZilla3' into /opt directory
Now create a shortcut in Desktop
Right click on Desktop and click 'Create Launcher'
Type the following in interface
Type: Application
Name: FileZilla
Command:/opt/FileZilla3/bin/filezilla
Double click on the Shortcut to launch
