- Go to Music, My Music Apps, and then Slacker Radio.
- Sign in to the app.
- A code is displayed on your screen.
- On your computer go to http://www.slacker.com/home#xbox and click "Connect your Slacker account".
Click on "Sign in or create account"
After you sign in, you will be presented with a box to enter the confirmation code from your Xbox:
If you do not see these screens, this means your web browser is blocking pop-up windows, so you will need to disable that and then try again.