STEP 1. edit sources.list file

sudo vi /etc/apt/sources.list

Add and save the following sources at the end of the sources.list file

deb [arch=amd64] stable main

STEP 2. Download Google’s signing key

sudo apt-get install wget

STEP 3. Google Chrome authentication key added to apt package manager

sudo apt-get install gnupg
sudo apt-key add

STEP 4. apt update and install google chrome

sudo apt update
sudo apt install google-chrome-stable

+ Appendix

If you see the following warning message when doing an apt update,

Target Packages (main/binary-amd64/Packages) is configured multiple times

This is because the Google Chrome package creates a special file /etc/apt/sources.list.d/google-chrome.list, which can be fixed by deleting this file.

sudo rm /etc/apt/sources.list.d/google-chrome.list