# Attach a validated SSL/TLS certificate to your Lightsail load balancer
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After you verify that you control your domain, the certificate's status will change to **Valid**.

![\[Successful validation of domain\]](http://docs.aws.amazon.com/lightsail/latest/userguide/images/example-com-verified-and-ready-to-use.png)


Your next step is to attach the certificate to your Lightsail load balancer.

1. From the Lightsail home page, choose **Networking**.

1. Choose your load balancer.

1. Choose the **Custom domains** tab.

1. In the **Certificates** section, choose **Attach certificate**.

1. Select a certificate from the dropdown list.

1. Choose **Attach**, to attach the certificate.