Create EC2 instance with AWS console ( web page )
https://docs.aws.amazon.com/efs/latest/ug/gs-step-one-create-ec2-resources.html
1- use default VPC
2- Click on "Launch Instance" and follow the wizard
3- select the AMI ( by name or id )
4- create an Key-pair if not already create ( will be use by SSH client to log in )