After generating, click 'Download Your Extension' to get a ZIP file.
In Chrome, go to 'Menu > More Tools > Extensions' or type 'chrome://extensions/' in the address bar.
Toggle 'Developer mode' on in the top-right corner.
Drag and drop the downloaded ZIP file into the Extensions page. Chrome will unpack and install it.
Your extension is ready! Check the browser toolbar or page behavior based on your design.