> For the complete documentation index, see [llms.txt](https://docs.arnica.io/arnica-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arnica.io/arnica-documentation/getting-started/sign-up.md). # Sign Up ## Use your preferred SSO Arnica supports only single-sign-on (SSO) logins , leveraging direct authentication methods such as GitHub, Azure AD or Google accounts. To login, please visit . {% hint style="success" %} Tip: Sign up with your corporate email, as the email address associated to your account will be automatically assigned as the owner of the new tenant. {% endhint %} ### Login with GitHub When you login with GitHub, an authorization will be requested to associate the account with the **primary** email address configured for it.

To identify which email is configured as primary, visit . ### Login with Azure Active Directory Upon successful login, you will receive a one-time request to verify the email address, as in the screenshot below.

A request to validate your Azure AD email

To allow Arnica's successful authentication of users in your Azure Active Directory organization, Arnica's application needs to be authorized as the follow up step, as in the screenshot below.

{% hint style="info" %} An administrator of your Azure Active Directory needs to approve this authorization. Hence, if you do not have this permission, try other authentication methods first. {% endhint %} ### Login with Google When logging into Arnica using Google, you will be forwarded to Google's authentication system. Here you will need to select an email to use within Arnica.