.NET Conf: Focus on Microservices
Did you miss the special .NET Conf all about building microservices with .NET? Watch the sessions on demand.

Download .NET Framework 3.5 SP1

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Runtime

The runtime includes everything you need to run existing apps/programs built with .NET Framework.

Download .NET Framework 3.5 SP1 Runtime

If you're using Windows 10, Windows Server 2016, or Windows Server 2019 we recommend installing .NET Framework 3.5 through the control panel.