Pay your Happy Dollars online! Go to Rotary.org/myrotary and logon or click here (logon required at rotary.org).
If you have not yet established an account, you will need to Register. Your email address is your logon ID - you select the password.
Once signed in, click on the Donate button at the top. If you did not logon first, you will be directed to logon.
Here are some alternate detailed steps - click here.