npm install @openzeppelin/contracts IS NOT WORKING, as it does not deploy 4.0 Smart Contracts on the node_modules directory.
After executing three times the
npm install @openzeppelin/contracts command , I continue to see the old file structure and the old files.
Information from https://blog.openzeppelin.com/openzeppelin-contracts-4-0/
Installing OpenZeppelin 4.0 Smart Contracts
View of the File System after implementing
Code to reproduce