===== To set up an OpenVPN client on Windows: =====


  - Install OpenVPN client on Windows
    * An OpenVPN client on Windows is called OpenVPN GUI. 
    * Download it from http://openvpn.net/index.php/open-source/downloads.html and install the client. 
    * The default installation directory is C:\ProgramFiles\OpenVPN.
  - Run OpenVPN GUI as administrator. 
  - Edit VPNConfig.ovpn and replace YOUR_SERVER_IP with public IP of your DiskStation.
    * If your DiskStation is behind a router, replace YOUR_SERVER_IP with the router's IP.
    * Remove # before "redirect-gateway def1" to route all client traffic (including web-traffic) through this VPN Server.
  - Put VPNConfig.ovpn into the config subdirectory under OpenVPN directory
   (ie. C:\Program Files\OpenVPN\config\).


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===== To set up an OpenVPN client on Mac: =====


  - Install OpenVPN client on MAC
    * An OpenVPN client on Mac OS X is called Tunnelblick. 
    * Download it from http://code.google.com/p/tunnelblick/ and install the client.
  - Launch Tunnelblick. 
  - Click Create and open configuration folder button; a Finder window will appear with the configuration folder. 
  - Edit VPNConfig.ovpn and replace YOUR_SERVER_IP with public IP of your DiskStation.
    * If your DiskStation is behind a router, replace YOUR_SERVER_IP with the router's IP.
    * Remove # before "redirect-gateway def1" to route all client traffic (including web-traffic) through this VPN Server.
  - Put the files of VPNConfig.ovpn into the configuration folder. 


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===== To set up an OpenVPN client on Linux: =====


Please refer to the official documentation provided by 
OpenVPN http://openvpn.net/index.php/open-source/documentation.html for more information.