Resolving "Session State not enabled" error when creating workflow in SharePoint Site

If you are getting "Session State not enabled" error while creating workflow in SharePoint Site, open the web.config file of that site present in the inetpub and change 'enableSessionState' attribute to True as shown below -

Next, uncomment the highligted section shown below -

Now, go back to the site and press F5 and you are done.