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How to Install Net Framework 4.8 Runtime in Windows 10.The runtime includes everything you need to run existing apps/programs built with .NET Framework.
Download: https://dotnet.microsoft.com/download/dotnet-framework/net48
Developer Pack
The developer pack is used by software developers to create applications that run on .NET Framework, typically using Visual Studio.
Download: https://dotnet.microsoft.com/download/thank-you/net48-developer-pack