If you don’t already have Chrome installed, you’ll need to download and install it. You can install Chrome by opening any web browser and going to Google Chrome. Follow the instructions found on that page to install Chrome on your computer. When you have Chrome installed, start it up.
After you have Chrome installed and launched, look at the top of the browser window. In the upper-right corner, you see three lines. This is the icon for the Chrome menu. If you expand the Chrome menu, you see a list of options similar to those shown here.
Select Developer Tools from the More Tools menu. A new panel opens at the bottom of your browser window that looks like the following.
Notice that the there’s a menu at the top of the Developer Tools with different options, including Elements, Network, Sources, Timeline, Profiles, Resources, Audits, and Console. If you click each of these, you’ll see a different set of options and data in the Developer Tools panel.