Description: Be sure that the SSL Certificate is properly installed on your domain,
and the website is resolving on your domain like https://example.com
Method 1: Redirecting Website from HTTP tp HTTPS in through Plesk Panel.
Step 1: Log in to your website hosting Plesk panel
Step 2: Go to the Website and domain and select the website for which you want to redirect from HTTP to HTTPS.
                                        
Step 3: Click on the icon Hosting Settings.
                                     
Step 4: Check the checkbox beside permanent SEO-safe 301 redirect from HTTP to HTTPS
then click OK to finish your website will be redirected to HTTPS.
                                        .png)
Method 2: Create a web.config file under the site’s directory and add the following lines to it.
In case there already exists a web.config
in your site’s directory, carefully edit it to add these lines.
                <?xml version="1.0"?>
                <configuration>
               <system.webServer>
                <rewrite>
                <rules>
                <rule name="Redirect to HTTPS" stopProcessing="true">
                <match url="(.*)" />
                <conditions>
                <add input="{HTTPS}" pattern="^OFF$" />
                </conditions>
                <action type="Redirect" url="https://example.com/{R:1}" redirectType="Permanent" />
                </rule>
                </rules>
                </rewrite>
                </system.webServer>
               </configuration>
example.com needs to be replaced by the Domain Name for which the SSL Certificate is issued.