Installation Guide Preparing to Install InterSystems IRIS Installation Planning Considerations Memory Planning and Management Platform-Specific Preparations Installing InterSystems IRIS on Microsoft Windows Before Installing InterSystems IRIS Installation Procedure Unattended Installation Procedure Post-Installation Tasks Special Considerations Installing InterSystems IRIS on UNIX®, Linux, and macOS Before Installing InterSystems IRIS Installation Unattended InterSystems IRIS Installation Post-Installation Tasks Special Considerations Upgrading from an Earlier Version Compatibility Goals Before Upgrading Upgrading an Instance Upgrading a Mirror Upgrading ECP Configurations Post-Upgrade Tasks Creating and Using an Installation Manifest Overview of an Installation Manifest Creating an Installation Manifest Using the Manifest Installation Manifest Examples Adding UNIX® Installation Packages to an InterSystems IRIS Distribution Tutorial Contents of the parameters.isc File