We have a "Buy as a Gift" option on our checkout:
1) Go to http://buy.roboform.com.
2) Select your desired length of service, and then select 'Checkout'.
3) Select the desired Payment Method, and fill in the billing information.
4) Under "Shipping/Licensee Information" check the box for "Choose a different shipping address".
This will allow the license to be purchased as a gift.