title: How to install h264 library for pyhton3 on windows 10
body: <p>it is like:</p>
  
  <pre><code> Could not find a version that satisfies the requirement OpenH264 (from versions: )
   No matching distribution found for OpenH264"
  </code></pre>
  
  <p>when ı write command on cmd.</p>
  
  <p>When I write <code>pip3 install av</code>,it is </p>
  
  <pre><code>"Command "c:\users\asus\appdata\local\programs\python\python36\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\Public\\Documents\\Wondershare\\CreatorTemp\\pip-install-vov37kc8\\av\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-record-m6047npy\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in C:\Users\Public\Documents\Wondershare\CreatorTemp\pip-install-vov37kc8\av\". 
  </code></pre>
  
  <p>I tried to install the old version pip(ı had the new pip).But anything changes.Can anyone help me?</p>