# Using a Yubikey with Tranquil SSO

Sign into your SSO account [here](https://sso.tranquilit.cloud/realms/tranquil/account/)

Once you have signed in Click on Signing In, under the Account Security Heading

[![image.png](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/scaled-1680-/gbfVxn4JIaDYtLHV-image.png)](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/gbfVxn4JIaDYtLHV-image.png)

From the next menu that appears choose Set Up Passkey under Passwordless heading

[![image.png](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/scaled-1680-/W7zANkMyGfGhWt1W-image.png)](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/W7zANkMyGfGhWt1W-image.png)

On the next screen click Register

[![image.png](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/scaled-1680-/U6NWkuoaD4U8lXPb-image.png)](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/U6NWkuoaD4U8lXPb-image.png)

If you get a 1Password popup menu like the below

[![image.png](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/scaled-1680-/O3FRGqYJVPB4bgWP-image.png)](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/O3FRGqYJVPB4bgWP-image.png)

Click This Icon

[![image.png](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/scaled-1680-/D4COwke7gtpiwbfR-image.png)](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/D4COwke7gtpiwbfR-image.png)

The below screen will appear. Select Save another way

[![image.png](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/scaled-1680-/mGYTS5yGXTolUR2S-image.png)](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/mGYTS5yGXTolUR2S-image.png)

Select Use a different phone, tablet or security key

[![image.png](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/scaled-1680-/Jnw8yJCI9YZf6NtO-image.png)](https://wiki.tranquilit.cloud/uploads/images/gallery/2025-03/Jnw8yJCI9YZf6NtO-image.png)

Now insert your Yubikey and press the button once.

You will be prompted to press the button a second time. Now your key has been added and should work successfully for all future logins.