# SSO passwordless login
1. [Enroll the software key on HES](/user-guide/ios-guide/software-key-enrollment/sso-enrollment.md).
2. Click on the web browser the "Sign in with a Hideez Authenticator App" button.\
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3. Open Hideez Authenticator App and scan the QR code.\
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4. Confirm the login at the Hideez Authenticator.\
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{% hint style="success" %}
Also, for some devices it is possible to scan the code directly from the smartphone camera, this will redirect you to Hideez Authenticator.
{% endhint %}
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://authenticator.hideez.com/user-guide/ios-guide/login-with-hideez-authenticator/sso-login/sso-passwordless-login.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.