To claim the free League of Legends: Alistar Unchained skin, follow these instructions:1. You must first login at the League of Legends website.
2. Sign in to YouTube and have a YouTube channel already created.
3. Go to the League of Legends page for the Free Unchained Alistar Skin.
4. Where it says "Subscribe to League on YouTube" click on Login and Subscribe to the League of Legends YouTube channel.
NB. If there is a message indicating that it will be back shortly, try again later.