This article assumes that you have already ordered an SSL Certificate.

To automatically redirect visitors to the Secure URL:

1. Log into your Plesk Control Panel
2. Click Website & Domains
   
   
3. Click File Manager for the website you want to redirect
   
4. Click on the web.config file
   
5. Click Edit in Code Editor
   
   
6.  Add the the following code after <system.webServer>:
   
   <rewrite>
   <rules>
   <rule name="http to https" stopProcessing="true">
   <match url="(.*)" />.
   <conditions>
   <add input="{HTTPS}" pattern="^OFF$" />
   </conditions>
   <action type="Redirect" url="https://{HTTP_HOST}/{R:1}" redirectType="Temporary" />
   </rule>
   </rules>
   </rewrite>
   
7. Click OK
   
   

All visitors to your website should now be redirect to the secure URL https://example.com.