I have a typescript project that requires npm 3+. I\'ve install it to C:\\Program Files\\nodesjs, and I set my system environment variables to point there.
In vis
For your Node installation folder, I'm assuming you meant:
C:\Program Files\nodejs NOT
C:\Program Files\nodesjs
Also, you're testing the npm version from the Package Manager Console. I'm not sure that respects your external tools configuration (but rather a Powershell Profile) so the result there may not change.
Instead, with your project open, you should be able to right-click on the npm node under Dependencies in Solution Explorer and select Restore Packages. In your Output window (Bower/npm), you should see the npm install command being executed from your machine-wide Node installation:
"C:\Program Files\nodejs\npm.CMD" install