Installing Firebase Tools

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Required steps to install Firebase Tools are described here:
https://firebase.google.com/docs/cli/

Notes to installation:

1) Installing nvm for Windows 7 Professional - 64x:

After installation running nvm command from command line shows error: 
cannot open settings.txt

This is a bug described here:
https://github.com/coreybutler/nvm-windows/issues/22

One of suggested solutions was working for me:

Simply remove NVM_HOME and NVM_SYMLINK from the user environment variables.

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