Action Details
Requirements and how-to articles for Mixer's action:

You need this to get it done:

Microsoft Account
A Microsoft account is required to use Mixer, so either sign in to existing one or create a new one.
Email Address
An email will automatically be sent to the email address you provide with a confirmation code.
Profile Image
An image/logo to represent your channel.
Maximum file size: 6MB
Minimum dimensions: 256 x 256 pixels
Social Media Accounts
You can add links to your other social media accounts to your profile.
Choose a username (you can change this once every 30 days.)
Channel Intro
Information about you and your channel (this is visible when a link to your channel is posted on Twitter, so it is recommended to put the important information first.)
Requirements missing or found errors? Report

How-To Articles
A list of useful links for you:

Mixer - Profile Setup
Official information on setting up your Mixer profile.
Mixer - Manage Channel Settings
Official information on how to manage your Mixer channel settings.
Mixer - Creating An Account
Official information on creating a Mixer account.
Link missing here or found errors? Improve How-Tos