FileZilla is the most popular FTP client which is a free software. It supports FTP, SFTP, and FTPS (FTP over SSL/TLS) and is available under many platforms, binaries for Windows, Linux and Mac OS X are provided. For more information about FileZilla checkout its online documentation wiki. This tutorial explains you how you can download your website files using FileZilla to a directory/folder in your computer’s hard drive.
There are two columns on FileZilla, first is Local Site showing you your computer’s files and folders and the second one is Remote Site showing you your online website’s files and folders. So first thing is to make sure that your destination folder in the local directory list is open, If not then move to the folder where you like downloading your website files.
Now from the right column i.e. your remote site column find the folder to be downloaded then click on any item, then select all the items in that folder using CTRL+A or just the ones you want to backup using CTRL and your mouse clicks.
Then right-click on any of the file you have selected in your FileZilla’s remote directory folder and click ‘Download’. Now you should start seeing your files transferring from the right of the screen to the left. It also shows you the download progress.