Crane Legacy Operator (mig-legacy-operator) performs an install of basic components for enabling migrations from old versions of OpenShift.
This operator should be used for versions older than 4.6.
For newer versions and documentation see Crane Operator
oc create -f https://raw.githubusercontent.com/konveyor/mig-legacy-operator/main/deploy/operator.yml
oc create -f https://raw.githubusercontent.com/konveyor/mig-legacy-operator/main/deploy/controller.yml