I'll explain when you're older..
Instructions:
1. cd into the project folder after download
2. run npm install
3. open project in Visual Studio Code
4. navigate to the following file:
"/node_modules/@types/lodash/index.d.ts"
5. comment out line 12672
6. comment out line 19417
7. save
8. in console run npm start
9. app should now be running in browser at localhost/4200