Wing FTP Server is distributed under shareware license, you can download and evaluate fully functional trial version for 30 days. After 30 days, you can continue use WingFTP as Free edition for non-commercial use. If you need more features avaiable in Standard/Secure/Corporate edition, please purchase a license and register it. And if you are not sure which edition is right for you, please see the edition difference here.
Windows OS: Windows XP/7/8/10, Windows Server 2003/2008/2012/2016.
Wing Client App
Wing Client App is used to transfer files between the mobile phone and Wing FTP Server. It is designed to cooperate with Wing FTP Server. Besides files transfer, you can also use this software to browse pictures, watch videos and preview documents on your server. Before using Wing Client, please make sure your Wing FTP Server version is higher than 5.1.2