Smugglr is an add-on for the Firefox browser. If you don't have the Firefox browser installed on your system yet, you can get it free at www.mozilla.com.
Click on "Free Download."
After you've installed the Firefox browser, use that browser and go to www.smugglr.com.
Click "Start Smuggling Now" to download the Smugglr add-on.
A warning message might appear at the top of the screen.
Click on "Allow."
A pop-up message will appear.
Click on "Install Now."
After Smugglr has succesfully been installed, you will be asked to restart Firefox.
Click on "Restart Now."
After restarting the browser, look in the Tools menu.
Click on "SmuggLr."
The migration process will start! Enter the details that you are asked for, and your photos will automagically be migrated to SmugMug!
Questions on SmugMug? Ask them here.