First of all we need to install some package manager, let’s get Node js and it’s npm. Download Node.js and install it frome here
Open console (cmd) and run instruction to install sass with npm manager.
Check sass docs if you wish here
npm install sass
In our project we can run instruction to watch scss files and convert it to css on each save.
sass --watch scss:css
At first time you might get this warning: cannot be loaded because running scripts is disabled on this system
As stated on stackoverflow, open PowerShell as Administrator and run this code:
Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Unrestricted