Final answer:
To change directory in a terminal window, use the 'cd' command followed by the path of the directory you want to navigate to.
Step-by-step explanation:
To change directory in a terminal window, you can use the 'cd' command followed by the path of the directory you want to navigate to. For example, if the file was saved in your Downloads directory, you would run the command:
cd Downloads
This command will change your current working directory to the 'Downloads' directory. You can then access the file from that location.