title: I am having npm version 8.1.2 but I want to install npm version 5.5.1
body: <p>Currently , I am having npm version 8 but I want to have npm 5.5.1 ,
  Last time also I did npm i -g@5.5.1 this but I <strong>struggled</strong> through the module not found <strong>error</strong> , and finally I <strong>resolved</strong> but now I want to install <strong>lower</strong> <strong>version</strong> i.e 5.5.1 , please tell me <strong>the exact/correct</strong> steps for <strong>windows</strong>.</p>