Visual Studio for Mac displays the following popup: ![HTTPS Development certificate not found. Do you want to install and trust the certificate?](~/getting-started/_static/trustCertMac6.png) Select **Install and Trust** if you trust the development certificate. The following dialog is displayed: ![Security warning dialog](~/getting-started/_static/certMac6.png) Enter your password and select **Update Settings** 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.