title: Sage refuses to open any Jupyter notebook even though Anaconda is installed
body: <p>I have installed Sage using the latest installer and I can open a Sage terminal (by clicking on it from the start menu...not by entering 'sage' in Windows command line).</p>
  <p>I have then installed Anaconda. I can enter 'python' in Windows command line and it works. But the puzzling part is jupyter notebooks. By my understanding, it comes with Anaconda so, I should be able to open my Sage console and type some version of 'n jupyter' or 'njupyter' or '-n jupyter' etc to get a sage Jupyter notebook running.</p>
  <p>This is NOT happening at all. Instead I get</p>
  <p><a href="https://i.stack.imgur.com/83jVp.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/83jVp.png" alt="enter image description here" /></a></p>
  <p>Edit: I would like to get Sage to open a Jupyter notebook on my computer but the commands I tried (in the screenshot provided) just keep failing. I got a version of these commands from the Sage tutorial itself and still, it doesn't work.</p>
  <p>Any suggestions on how to get this working are much appreciated.</p>