For Google Chrome, the Download site is: http://google.com. The download link is: https://www.google.com/chrome/browser/desktop/index.html
Download it and follow the installation steps provided by Google.
Once you download it, you can go to your Download directory and install it from the commandline.
Perform these steps:
Bring up a terminal with these keys: Alt+Ctrl+T.
At the go to the download directory with this command:
$ cd ~/Downloads
Then run this on the file:
$ sudo dpkg -i google-chrome-stable_current_amd64.deb
As per your comment for the commandline download, run this:
$ wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
The installer automatically updates the /etc/apt/sources.list
and provides the public key.
After you have installed it, you can run it by typing Chrome in the Ubuntu Dash Search Button.
Installing Chromium
Chromium is an an opens source web browser based on and similar Google Chrome. It's in the repository. You don't have to download anything to install it. Just run this command from the terminal:
$ sudo apt install chromium-browser
sudo install google-chrome-stable
or when you ransudo update
? – L. D. James Feb 19 '17 at 04:28