Head over to the chrome web store page of the extension and click on the Add to Chrome button.
Wait for the extension to finish installing before proceeding.
Head over to Google Docs and open any of your documents or create a new document. If you already have a document open you may need to refresh it for the extension to take effect.
In the top right corner of your document you should see a new icon injected by the extension — click on it to open up the line numbering settings.
If you do not see this icon, please try restarting Chrome and reloading the Google Docs page.
If you are still experiencing problems with this, please contact me so that I can fix this problem for you.
Check the Show line numbering checkbox to enable line numbering in your document.
Tweak all the available settings to your liking and remember to click Apply to save your changes.
Your settings will be synchronized across your devices if you are logged in to the same Google account in all your Chrome browser.
If anything is not working please check out the FAQ or contact me so that I can try and fix it.



