Visit the official download page and download the appropriate installer for your system (Windows x64).
If you see Microsoft.WindowsDesktop.App 6.0.x but not 8.0, you have the "2021" version (6.0), not the modern "80" version.
If you still believe you need a “2021” version of the runtime, double-check the app’s requirements – it’s almost certainly a misunderstanding or a mislabeled file. For most users today, .NET 8.0 Desktop Runtime x64 is the correct choice. microsoftnet desktop runtime 80 x64 2021
So, the next time you see that entry in your installed programs list, do not delete it. Thank it. It is the reason your complex data app runs smoothly, your game launcher updates correctly, and your video editor doesn't crash when processing a 16GB file.
A final note: The .NET Desktop Runtime (versions 5, 6, 7, 8, 9) is a separate product from the older (versions 3.5, 4.8, etc.). They install side-by-side and do not conflict with each other. Many applications will require both, so do not uninstall your .NET Framework installations. Visit the official download page and download the
When a developer builds a "dependent" app, they don't include the massive .NET engine inside their installer to keep the file size small. Instead, the app relies on the copy of .NET installed globally on your machine.
A: No. The .NET Desktop Runtime only includes the base .NET Runtime and desktop-specific components (WPF, WinForms). For web applications, the ASP.NET Core Runtime is required separately. For most users today,
.NET 8.0 introduced deep optimizations in garbage collection (memory management) and Just-In-Time (JIT) compilation, allowing apps to launch instantly and consume fewer system resources.
The runtime is supported by Microsoft Update , allowing for automatic security and servicing updates.
Here’s a helpful, straightforward guide to understanding – with a note about the “2021” reference.
The Microsoft .NET Desktop Runtime is an essential software component that allows you to run Windows desktop applications that were built with .NET 8.0. If you receive an error like "You must install .NET Desktop Runtime to run this application" , this is the package you need.