You must have Administrator privileges to install the server as a Windows Service.
FileZilla Server remains a top choice for Windows 8.1 64-bit users looking for a lightweight, open-source FTP and FTPS server. It provides a secure way to share files over a network with easy-to-use administrative controls. filezilla server download for windows 8.1 64 bit
As of May 2026, the latest stable release is FileZilla Server 1.12.6 . You must have Administrator privileges to install the