Renewing your registration isn't too hard.
Step 1: Go to https://my.scouting.org/home
You will see a notification about a registration that is soon expiring.
Step 2: Select the registration(s) to renew. Sign the Leader Requirements acknowledgement if needed.
Step 3: Scout Life is automatically selected. Deselect if you do not want to receive the magazine. You now have a choice on how you pay.
Using the "Place Order" button, you will pay through National.