====== Create X.509 certificate via Powershell ======
<code powershell>
PS E:\Certificates> new-selfsignedcertificate -certstorelocation cert:\localmachine\my -dnsname www.example.com -NotAfter 2100.12.31


   PSParentPath: Microsoft.PowerShell.Security\Certificate::LocalMachine\my

Thumbprint                                Subject
----------                                -------
6B56F00AA1EB7C981614072D6BBB89F292D3A0BA  CN=www.example.com


PS E:\Certificates> $pwd = ConvertTo-SecureString -String "GCgcPIN**1" -Force -AsPlainText
PS E:\Certificates> Export-PfxCertificate -cert cert:\localMachine\my\6B56F00AA1EB7C981614072D6BBB89F292D3A0BA -FilePath e:\Certificates\Client.pfx -Password $pwd


    Directory: E:\Certificates


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
-a----       09/27/2017     10:54           2725 Client.pfx


PS E:\Certificates>
</code>