JAVASCRIPT

node downgrade windows

npm install -g node@<version>

downgrade node version windows using npm

For window
nvm install v0.10.33 
nvm use v0.10.33   

downgrade node version

$ npm install -g n
$ n 6.10.3

Downgrade node version

$ npm install -g n
$ sudo mkdir -p /usr/local/n && sudo chown -R $(whoami) /usr/local/n && sudo mkdir -p /usr/local/bin /usr/local/lib /usr/local/include /usr/local/share  && sudo chown -R $(whoami) /usr/local/bin /usr/local/lib /usr/local/include /usr/local/share
$ n 6.10.3
$ node -v
v6.10.3