On your laptop or desktop,
1. Set up your Spuul account by visiting www.spuul.com if you don't already have an account
2. Go to your account page within Spuul and go to devices
3. Select 'Link New Device'
On your Apple Tv,
1. Download and install the Spuul app
2. Paste the code you see on your Apple TV to the field on your desktop or laptop
Voila! Your devices are now linked! Now you can enjoy watching your favourite movies on your Apple TV!