To install FileZilla on Ubuntu 20.04, you can use the following steps. Open a terminal and type the following commands:

1. Update the Package Lists:

sudo apt update

2. Install FileZilla:

sudo apt install filezilla

# This command will download and install FileZilla and its dependencies.

3. Run FileZilla:

After the installation is complete, you can run FileZilla by typing the following command in the terminal:

filezilla

Alternatively, you can also find FileZilla in the application menu or launch it from the command line.