If you already have an account and have not linked your account with your desired social media account, please login first and just the "Social Link Setting" in the User Menu first. Then you can use use your social media choice to login.
If you are an Amazon Prime subscriber, you can get a free subscription to a Twitch creator at no extra cost to you. You'll need to link your Amazon account to Twitch, click subscribe, and choose to get started with Prime Gaming. You can also tip us using Twitch's Cheer system.