字幕表 動画を再生する 英語字幕をプリント Open a web browser and navigate to twitchprime.com. Then sign into your Amazon Prime account by clicking "Sign in." Once you're redirected back to the homepage, click on your username, and then click on "Manage Twitch accounts." Next, click "Connect a Twitch account." Log into your Twitch account or create a new one. Once logged in, you'll be shown which accounts are being linked. Click "Confirm" if the correct Amazon and Twitch accounts are listed. You'll then be taken back to your "Manage Twitch accounts" page. Click "Prime Gaming," and now you can begin claiming your free Twitch Prime perks.