npm install @capacitor/core @capacitor/cli
npm config set proxy http://username:password@host:port npm config set https-proxy http://username:password@host:port
1- Ir a la carpeta del usuario C:\Users\
npm config set proxy http://username:password@host:port npm config set https-proxy http://username:password@host:port
1- Ir a la carpeta del usuario C:\Users\