Download Sim-OnDemand launcher from the subscription activation page. Unzip the launcher application on your computer( say under Desktop) Invoke run.bat on Windows and run.sh on *nix based system to invoke the Sim-OnDemand launcher application. You will see a screen similar to the screen shot below.
Click the link Your Account -> Access Identifiers at http://aws.amazon.com web site and copy paste Your Access Key Id and Your Secret Access Key on to AWS Access Key Id and AWS Secret Key fields in the launcher application. Press GoNow if you see a screen with Open Sesame button, you are all set.
