Download the installer for your operating system or run
oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.3.0-0.ci-2021-02-01-210854
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Unable to show full changelog: could not generate a changelog: error: unable to connect to image repository registry.svc.ci.openshift.org/ocp/release@sha256:015f1c36248f08e5bf091ffaa34dbbb437a788463f0dafbaa163dde8026e0e65: endpoint "https://registry.svc.ci.openshift.org" does not support v2 API (got 503 Service Unavailable)
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