node.js - Hows uninstall express (in order to install a previous version) -

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I want to downgrade the Express Edition from 4.0.0 to 3.4.4 globally. So I also tried with pseudo: 

  Simo $ npm uninstall express npm Warning / Uninstall / node-dev / DaysApp / node_modules is not installed in: "Express"

and globally: 

  Simo $ sudo npm uninstall -g Express password: do not uninstall npm / usr / local / lib / node_modules not installed in: " Express "

and I changed the dependency on the package to version 3.4.4 and install it as $ npm install and $ npm express@3.4.4 < / Code> done But vesion still 4.0.0

Thank you for your help.


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