title: How to generate .pkpass from Windows computer?
body: <p>Is it possible to create <code>.pkpass file</code> from Windows computer? </p>
  
  <p>I have <code>KeyStore</code> and <code>Certificate</code> files obtained from Mac and Provisioning portal respectively. i.e, Certificates.p12, MembershipCard.cer</p>
  
  <p>I have used <code>passkit4j</code> which creates <code>.pkpass file</code> but the same can't be opened in iPhone. In iPhone mail client, the attachment looks like (null)</p>
  
  <p>Can anyone please let me know what I'm missing here. It would be a great help if Step-by-step tutorial provided for <code>passkit4j</code>.</p>