Baixei o NodeJS v4.4.3 LTS e segui os passos descrito ao executar o camando npm install apresenta erro
Microsoft Windows [versão 6.2.9200] (c) 2012 Microsoft Corporation. Todos os direitos reservados.
C:\Users\Al Unser>npm install npm ERR! install Couldn't read dependencies npm ERR! Windows_NT 6.2.9200 npm ERR! argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\ node_modules\npm\bin\npm-cli.js" "install" npm ERR! node v4.4.3 npm ERR! npm v2.15.1 npm ERR! path C:\Users\Al Unser\package.json npm ERR! code ENOPACKAGEJSON npm ERR! errno -4058 npm ERR! syscall open
npm ERR! package.json ENOENT: no such file or directory, open 'C:\Users\Al Unser \package.json' npm ERR! package.json This is most likely not a problem with npm itself. npm ERR! package.json npm can't find a package.json file in your current directo ry.
npm ERR! Please include the following file with any support request: npm ERR! C:\Users\Al Unser\npm-debug.log
C:\Users\Al Unser>
C:\Users\Al Unser>