Start with EC2 Instance

Open the EC2 Instance interface and click Lauch Instance

Name it as you wish; here, the EC2 Instance is named DynamoDB Labs

Select the instance type as t3.small.

Create a new key pair as you wish.

Configure the network settings for the EC2 Instance with a network that can connect to the session manager. If you are not experienced with this, you can refer to this article:

After completing, you can connect the EC2 Instance with the session manager and proceed to the next part.