The Appercept AWS SDK for Delphi is compatible with Delphi 10.4 (Sydney) and later. The only dependency beyond the Delphi RTL is OpenSSL via Indy when using Simple Notification Service (SNS) message verification. 

For more information on OpenSSL requirements see DocWiki: OpenSSL. 

To execute the samples in this distribution you will need an account for Amazon Web Services and a user configured with an access key for programmatic access. See Managing access keys for IAM users for details on generating access keys. 

The AccessKeyId and SecretAccessKey should be configured in the shared credentials file normally located at ~/.aws/credentials. An example configuration looks like: