Is UltraVNC free to use?

Yes, **UltraVNC** is open-source software distributed under the terms of the GNU General Public License, making it completely free for both personal and commercial use.

What operating systems does UltraVNC support?

**UltraVNC** Server is designed for Windows operating systems, including Windows 7, 8, 10, 11, and various Windows Server versions. The **this application** Viewer, however, can connect from Windows, Linux, and macOS systems via its embedded JavaViewer.

How does UltraVNC ensure secure remote connections?

**UltraVNC** provides robust security features, including support for DSM (Data Stream Modification) plugins that encrypt communication between the server and client. It also allows for access configuration via MS Logon (Active Directory) and emphasizes the use of strong passwords as a primary defense against unauthorized access.

UltraVNC

UltraVNC 1.8.3.0 Portable Download for Windows

Kalsoom Tahir
September 14, 2026
Remote Desktop, Windows

Download UltraVNC for Windows, a powerful, open-source remote access software. Free (GNU) license, file, offering secure remote control and file transfer