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 Troubleshooting Web Server Setup Troubleshooting Windows and IIS 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