title: 'pyinstaller' is not recognized as an internal or external command, operable program or batch file
body: <p>So I made an app with Python and I want to make it an executable with PyInstaller, but the Command Prompt doesn't recognize the command.</p>
  <p><a href="https://i.stack.imgur.com/Xpk56.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Xpk56.png" alt="The command" /></a></p>
  <p>I've been searching the whole internet but nothing helps. I successfully uninstalled and installed Pyinstaller again but it still doesn't work.</p>
  <p><a href="https://i.stack.imgur.com/C7u0H.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/C7u0H.png" alt="This shows it's installed" /></a></p>
  <p>I thought I would make my first StackOverflow post. (I'm pretty new to programming and I'm 15)</p>
  <p>I hope someone can help me with this.</p>
  <p>Thanks in advance!</p>