Download installer and client with:
oc adm release extract --tools registry.svc.ci.openshift.org/origin/release:4.5.0-0.okd-2020-07-12-134038
Loading changelog, this may take a while ...
Unable to show full changelog: could not generate a changelog: error: Could not load commits for https://github.com/openshift/installer: from commit 8aef4e30b79652038fbff0ae73184177401d56dc does not exist
Source code for this page located on github