Error: Install eTS 3.1.0.0 failed.
win7 64位系统
Downloading https://downloads.openharmony.cn/sdk/component/3.1.0.0/windows/ets-windows-3.1.0.0-Beta1.zip
Unzipping D:\OpenHarmony\Sdk\.temp\ets\3.1.0.0\install\ets-windows-3.1.0.0-Beta1.zip
Installing eTS dependencies...
Running 'npm install'...
Error: Install eTS 3.1.0.0 failed.
Error: Install eTS dependencies failed.
Cause: Unable to run npm install.
Solution: See https://developer.harmonyos.com/cn/docs/documentation/doc-guides/faq-development-environment-0000001168829643#section1311117111474
查看了相关文档，那个“NPM代理配置”文档为空，无法查看。按后续步骤处理，在命令行运行
有没有其它办法手动下载安装？
鸿蒙
DevEco Studio
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在cmd内执行npm -v和node -v看看版本号是否为
npm：6.14.16
node: 14.19.1
如果不是的话，请在DevEco Studio的Setting内找到Node.js and npm，并点击Edit->Download下载DevEco Studio推荐版本的node，并将nodejs路径配置到系统环境变量Path内，并删除其他版本的nodejs环境变量。重启cmd，查看npm与node的版本号为上述版本。
最后重启DevEco Studio，尝试重新下载安装SDK