Step 1: Go to the Mycroft Project page
2. Press the "Search" button.
Step 2: Click on the "Instructables" link
2. Click on the "Instructables" underlined link.
Step 3: Click on the "Add" button in the pop-up window
Optional: If you check the "Start using it right away" box, the Instructables plug-in will be selected for immediate use in your Firefox search bar
Step 4: Done!
You are done! Try your brand new Instructables search plug-in by selecting it from your search engines list at the top right of your browser's window!