Steps to Upgrade the .net Framework to 4.7.2 OR 4.8 1. First Download the .NET Framework from https://dotnet.microsoft.com/download/dotnet-framework 2. Install on the Server. 3. Login to the Plesk and go to "Tools & Settings" > "Server Components" and refresh the components using the refresh button 4. After update, it will reflect in "Web Script" section at the server component page. All done!!!