If you are new to Zettle, or had previously used Zettle with your POS and have updated your POS app to version 3.8.18 or higher, you will be not signed in to your Zettle account and will be required to carry out these steps to get logged in
You will find the Zettle page under integrations in the backoffice
You login by clicking the Enable Zettle button. Once clicked you will be taken to the Zettle login page. Here you enter the login details for your Zettle account
Once logged in you will be returned to the backoffice and you will see that the integration has been successful
At this point you will now be able to setup you POS to use the Zettle integration
In your POS, navigate to Settings, then Payments, then click "Yes" under "Do you use Zettle?"
You will see a popup telling you that you are being signed in
Once you are successfully logged in, the popup will let you know that you're good to go
You can now click "Done" and start taking Zettle payments