An Amazon Machine Image (AMI) is a special type of virtual appliance that is used to instantiate (create) a virtual machine within the Amazon Elastic Compute Cloud ("EC2"). It serves as the basic unit of deployment for services delivered using EC2.
Step 2 - After that, select "Instance" under which, we can see the created Instance's and then select which instance that we need to add in AMIs. Go to Action => Create Image.
Step 5 - While creating a new Instance we can see "My AMIs" option, from which we can select the created AMI from the list.