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Introduction
Before you use the Alibaba Cloud classic .NET SDK, you must install the required .NET SDK and .NET runtime. Your environment must meet the following requirements:
.NET Framework 4.5 or later
.NET Standard 2.0 or later
C# 4.0 or later
Recommendations:
Target framework: .NET Standard 2.0 or later.
Development environment: Visual Studio 2017 or later, or Visual Studio Code.
The classic SDK is an older, stable version. This topic provides a concise guide for existing users of this SDK. We recommend that new users use the upgraded SDK and that existing users migrate to the upgraded SDK as soon as possible. For more information about the benefits and usage of the upgraded SDK, see Get started.
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