Step 1: Go to https://filezilla-project.org website. Click on the Download link on the left hand side of the window. Then click on the Show additional download options link at the bottom of the middle of the page
Installing Filezilla
Note: It's important you follow these instructions in order to avoid getting "bloatware" along with your Filezilla download
Step 2: Pick the correct download for your system.
Step 3: Filezilla will begin the download. When done double click to install the application per your computer system.