select "Default web site" from connections panel in the IIS Manager.
select "Bindings…" menu item.
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Click on Add…
From Type drop down list, select "https", the default port assigned in 443
From SSL Certificate, select self signed certificate created and click on "OK"
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To test HTTPS binding, select "Default Web Site" and select "Browse *:443(https)" from right panel.
The IIS home page will open in a web browser
If you used a self signed certificate, you will get an certificate error in browser, to proceed, you need to accept certificate exception.
If you have a self signed certificate, you will not see any certificate error, it will show IIS home page with HTTPS.