.NET is a free, cross-platform, open-source developer platform for building many different types of applications.
| Version | Status | Visual Studio 2017 SDK Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio). | Visual Studio 2019 SDK Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio). | Runtime Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK. | Release notes |
|---|---|---|---|---|---|
| .NET 7.0 | Preview Tooltip: Preview releases provide early access to features that are currently under development. These releases are generally not supported for production use. | N/A | N/A | x64 Runtime | x86 Runtime (v7.0.0-preview.1) | Release notes |
| .NET 6.0 | LTS Tooltip: Long-term support (LTS) releases have an extended support period (3 years). Use LTS if you need to stay supported on the same version of .NET or .NET Core for longer. | N/A | N/A | x64 Runtime | x86 Runtime (v6.0.2) | Release notes |
| .NET 5.0 | Current Tooltip: Current releases have a shorter support period (18 months). Use Current if you want to try the latest features and a newer release is not available. | N/A | x64 SDK | x86 SDK (v5.0.405) | x64 Runtime | x86 Runtime (v5.0.14) | Release notes |
| .NET Core 3.1 | LTS Tooltip: Long-term support (LTS) releases have an extended support period (3 years). Use LTS if you need to stay supported on the same version of .NET or .NET Core for longer. | N/A | x64 SDK | x86 SDK (v3.1.416) | x64 Runtime | x86 Runtime (v3.1.22) | Release notes |
| .NET Core 3.0 | End of life Tooltip: This release has reached end of life, meaning it's no longer supported. We recommend moving to a supported release. | N/A | x64 SDK | x86 SDK (v3.0.103) | x64 Runtime | x86 Runtime (v3.0.3) | Release notes |
| .NET Core 2.2 | End of life Tooltip: This release has reached end of life, meaning it's no longer supported. We recommend moving to a supported release. | x64 SDK | x86 SDK (v2.2.110) | x64 SDK | x86 SDK (v2.2.207) | x64 Runtime | x86 Runtime (v2.2.8) | Release notes |
| .NET Core 2.1 | End of life Tooltip: This release has reached end of life, meaning it's no longer supported. We recommend moving to a supported release. | N/A | x64 SDK | x86 SDK (v2.1.818) | x64 Runtime | x86 Runtime (v2.1.30) | Release notes |
| .NET Core 2.0 | End of life Tooltip: This release has reached end of life, meaning it's no longer supported. We recommend moving to a supported release. | x64 SDK | x86 SDK (v2.1.202) | x64 SDK | x86 SDK (v2.1.202) | x64 Runtime | x86 Runtime (v2.0.9) | Release notes |
| .NET Core 1.1 | End of life Tooltip: This release has reached end of life, meaning it's no longer supported. We recommend moving to a supported release. | x64 SDK | x86 SDK (v1.1.14) | x64 SDK | x86 SDK (v1.1.14) | x64 Runtime | x86 Runtime (v1.1.13) | Release notes |
| .NET Core 1.0 | End of life Tooltip: This release has reached end of life, meaning it's no longer supported. We recommend moving to a supported release. | x64 SDK | x86 SDK (v1.1.14) | x64 SDK | x86 SDK (v1.1.14) | x64 Runtime | x86 Runtime (v1.0.16) | Release notes |
.NET Standard is a formal specification of .NET APIs that are intended to be available on all .NET implementations. To target .NET Standard in your projects, install one of the SDKs from the .NET/.NET Core table. For more information, see the .NET Standard article.
.NET Framework（框架）.NET Framework is a Windows-only version of .NET for building any type of app that runs on Windows.
| Version | Developer Pack Tooltip: Do you want to build apps? The developer pack is used by software developers to create applications that run on .NET Framework, typically using Visual Studio. | Runtime Tooltip: Do you want to run apps? The runtime includes everything you need to run existing apps/programs built with .NET Framework. | Release notes |
|---|---|---|---|
| .NET Framework 4.8 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.7.2 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.7.1 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.7 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.6.2 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.6.1 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.6 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.5.2 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.5.1 | Developer Pack | Runtime | Release notes |
| .NET Framework 4.5 | Runtime | Release notes | |
| .NET Framework 4.0 | Runtime | Release notes | |
| .NET Framework 3.5 SP1 | Runtime | Release notes |
应用案例：
串口调试助手（行业专用）_无线智能模块 可视DIY智能专家-CSDN博客https://jiuai.blog.csdn.net/article/details/123346975
