Go to this link to get your desired version of the OC client tool. I have choosen the latest version available in July, 2020.
wget https://github.com/openshift/okd/releases/download/4.5.0-0.okd-2020-07-14-153706-ga/openshift-client-linux-4.5.0-0.okd-2020-07-14-153706-ga.tar.gztar -xvf openshift-client-linux-4.5.0-0.okd-2020-07-14-153706-ga.tar.gzsudo mv oc kubectl /usr/local/bin/oc version** You may need to add the installation path in your bash profile
Thanks!