Не могу установить gulp-sass

Вот такая ошибка:

$ npm install gulp-sass --save-dev

npm WARN deprecated [email protected]: request has been deprecated, see https://github.com/request/request/issues/3142

> [email protected] install C:\Users\user\desktop\gulp-web\node_modules\node-sass
> node scripts/install.js

"node" не является внутренней или внешней
командой, исполняемой программой или пакетным файлом.
npm WARN [email protected] No repository field.
npm WARN [email protected] No license field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] install: `node scripts/install.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] 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\user\AppData\Roaming\npm-cache\_logs\2020-07-07T07_22_49_720Z-debug.log