Select "Capital" from "My Products", select the base version, then click the download link. From here, select the Linux 64 variant for the Manager and server (We recommend Win64 for clients)
Connect to the EC2 instance where Capital will be installed
Once downloaded, use PuTTy to connect to the EC2 instance you'd like to install on (Instructions here)
Save the connection settings used to connect
Copy the file to the EC2 instance where Capital will be installed