If you are using Super Socializer plugin for Social Login, follow the steps mentioned below to enable Twitch login at your WordPress website.

Steps To Enable Twitch Login

1. Login to your Twitch.tv account from this page. Create an account, if you are not already registered.
2. Navigate to Settings page from the menu that appears after clicking your username
3. Navigate to Connections page
4. Scroll at the bottom of the page and click Register your application link
5. Fill the fields as described below and click Register button
   • Name: Give this app a name of your choice. You can specify whatever name you like, but it’s recommended to enter your website or company name in this field
   • Redirect URI: Open your website homepage (at which you have installed the plugin) in browser, click the address bar so that website url gets highlighted, copy this url, append “/?SuperSocializerAuth=Twitch” to it and paste in this option. Please make sure that this url includes http:// or https:// (for example: if homepage of your website is http://mywebsite.com then you have to paste http://mywebsite.com/?SuperSocializerAuth=Twitch url in this option)
   • Application Category: Choose Application Integration
   • Optionally, you can sign up for Twitch Developer mailing list
6. Copy Client ID and save it in Twitch Client ID option at Super Socializer > Social Login page in admin area of your WordPress website