Not secure (http:ms-dynamics/DynamicsNAV110) with dynamics NAV 2018

Hi Team,

When the client run web client because they are using windows 7. They see not secure beside http:ms-dynamics:8080/DYNAMICSNAV110, and I tried to change it https but I was receiving "the site can't provide secure connection" with https:ms-dynamics:8080/DynamicsNAV110 after follow the link below