Uninstalling the capabilities
A clean uninstallation of capabilities is a necessary step for upgrade, and it may leave in the system specific objects that are useful for a later re-installation.
Upgrade preparation
Uninstalling Content Delivery software components running as a standalone microservice
Uninstalling Collaborative Review
Uninstalling Content Manager
Uninstalling or modifying Tridion Sites software components
Uninstalling Content Delivery software components running as a standalone microservice