Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)

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• System Information
  • Browser type and version
  • OS type and version
  • WINDOWS: be sure to indicate which terminal you're using -- (i.e., cmd.exe, powershell, git- bash, cygwin, Ubuntu via windows subsystem for linux, etc...)
    Git bash inside VS Code.
  • Node version
    14.3.0
  • Any error messages that may be in the console where you ran npm start

(...)
throw new Error(errors.unsupportedEnvironment());
      ^

Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.9.3
    at module.exports (C:\Users\ (...)

• Any error messages in the JS console

• Describe the bug

• To Reproduce
  Steps to reproduce the behavior:

1. git clone git@github.com:mike-works/sass-fundamentals.git
2. cd sass-fundamentals
3. yarn install
4. ./run -e nesting, for example.

• Expected behavior
  The exercise should be running.

• Screenshots (optional)
  If applicable, add screenshots to help explain your problem.

• Additional context (optional)
  I redid initital package installation, this time with npm install, and there was no problem. I wonder why this is not the case with yarn install. Can you help me figure out why?