If you're using krew, download and place in your /path/to/.krew/bin
If you're not using krew, then place the binary in /usr/local/bin as described here: https://kubernetes.io/docs/tasks/extend-kubectl/kubectl-plugins/#using-a-plugin
sha256sum: 85ebc3e2c43b8dc74cbe0089d334cd69bbd11add11d166eaa0f7d3d9b60f0bb6