Step1 :
After installation of step 1 , 2 , 3 now install in visual studio ,
fits open the project in vs studio then first open the terminal of it then give the command :
: ls } it will show all running programs into it
then : < your directory > : npm install --save aws-amplify aws-amplify-angular } to install angular and other AWS framework
Step1 : After installation of step 1 , 2 , 3 now install in visual studio , fits open the project in vs studio then first open the terminal of it then give the command :