Visual Studio displays the following dialog:

![This project is configured to use SSL. To avoid SSL warnings in the browser you can choose to trust the self-signed certificate that IIS Express has generated. Would you like to trust the IIS Express SSL certificate?](~/getting-started/_static/trustCert.png)

Select **Yes** if you trust the IIS Express SSL certificate.

The following dialog is displayed:

![Security warning dialog](~/getting-started/_static/cert.png)

Select **Yes** if you agree to trust the development certificate.

See [Trust the ASP.NET Core HTTPS development certificate](xref:security/enforcing-ssl#trust-the-aspnet-core-https-development-certificate-on-windows-and-macos) for more information.