This course is mostly PDFs seemingly just copied from the Argo project (I can read those for free). In addition to the commands pasting without any spacing (on a Mac -- all of them):
kubectlapply-nargo-fhttps://github.com/argoproj/argo-workflows/releases/download/latest/install.yaml
the 4.1 PDF has a file location which is transposed:
What it is (404):
https://github.com/argoproj/argo-workflows/releases/download/latest/install.yaml
What it should be (200):
https://github.com/argoproj/argo-workflows/releases/latest/download/install.yaml