I have installed node js latest version(8.8.1) and npm latest version(5.5.1) and when i try to install node-sass i get this:
npm install -g node-sass
C:\Users\Giannis\AppData\Roaming\npm\node-sass -> C:\Users\Giannis\AppData\Roaming\npm\node_modules\node-sass\bin\node-sass
node-sass@4.5.3 install C:\Users\Giannis\AppData\Roaming\npm\node_modules\node-sass node scripts/install.js
'node' is not recognized as an internal or external command,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.5.3 install: node scripts/install.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@4.5.3 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\Giannis\AppData\Roaming\npm-cache_logs\2017-10-26T11_57_10_751Z-debug.log
I have set the system variable C:\Program Files\nodejs\
Thanks