TextAV Twitter Fact Checker Chrome Extension
To install, open up Google Chrome and navigate to chrome://extensions
Tick the 'Developer mode' checkbox.
Delete any older versions by clicking the delete icon next to 'farfetchd' in the list/
Click 'Load unpacked extension' and navigate to the folder you downloaded, select it and click 'Select'.
It should then appear as an item in the list of extensions – you're ready to go!