npm install react
Manually create missing directories
It seems the folder C:\Users\RT\AppData\Roaming\npm is missing or npm cannot access it.
You can try creating this folder manually:
Open File Explorer and navigate to C:\Users\RT\AppData\Roaming\.
Create a folder named npm if it does not already exist.
Error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm