Hopefully this helps someone who, too, is trying to learn PowerShell. If you are receiving errors when trying to run the Get-Content command, make sure that you do not have any hidden file endings. You can find this out by running the dir command against the directory your in. This will show you the file endings of the documents in the directory. In my example, my lab file had an extra .txt appended. Once I removed this, the Get-Content command functioned properly. I have included a screenshot of the successful Get-Content command as well as an example error message.