Principal platformsCan't see your platform?

To get the latest version of VNC working for you on these platforms, consult our FAQ or knowledge base, read the documentation or, if you have an Enterprise or a Personal license, submit a ticket.


x86 and x64 architectures supported, where available:

  • 10

  • 8.1

  • 8

  • 7

  • Vista

  • XP

  • 2000

  • Server 2012 R2

  • Server 2012

  • Server 2008 R2

  • Server 2008

  • Server 2003

Mac OS X

x86 and x64 architectures supported, where available:

  • OS X 10.11 (El Capitan)

  • OS X 10.10 (Yosemite)

  • OS X 10.9 (Mavericks)

  • OS X 10.8 (Mountain Lion)

  • OS X 10.7 (Lion) Server

  • OS X 10.7 (Lion)

  • OS X 10.6 (Snow Leopard)


  • Ubuntu 14.04 LTS—15.10 [i386 and amd64]

  • Ubuntu 12.04 LTS [i386 and amd64]

  • Debian 6—8 [i386 and amd64]

  • RHEL 4—7 [x86 and x64]

  • CentOS 4—7 [x86 and x64]

  • Fedora 21—23 [x86 and x64]

  • SUSE Linux Enterprise Server 10—11 [x86 and x64]

  • SUSE Linux Enterprise Desktop 10—11 [x86 and x64]


  • Solaris 9—11 [x86]

  • Solaris 10 u5—11 [x64]

  • Solaris 8—11 [SPARC]

  • HP-UX 11i v3 [ia64]

  • AIX 5.3 (TL7 or higher) [PowerPC]

Raspberry Pi

Auxiliary platforms

The same range of resources are available to help get VNC working for you on these platforms, but please note you may need to use an earlier version of VNC.


  • NT 4

Mac OS X

  • OS X 10.5 (Leopard)

  • OS X 10.4 (Tiger)


  • Ubuntu 12.10—13.10 [i386 and amd64]

  • Ubuntu 6.10—11.10 [i386 and amd64]

  • Ubuntu 6.06 [i386]

  • Debian 3.1—5 [i386 and amd64]

  • RHEL 2.1—3 [x86 and x64]

  • CentOS 2.1—3 [x86 and x64]

  • Fedora 7—20 [x86 and x64]


  • HP-UX 11i v3 [PA-RISC]

Security features

All license types unless otherwise stated:

  • Authentication schemes
    To prevent unauthorized access. One scheme for Free, two for Personal, three for Enterprise licenses. Note credentials are never sent in the clear.

  • Encrypted connections
    To prevent packet sniffing and tampering. 128-bit AES for Personal, 256-bit AES for Enterprise licenses. Not available for Free licenses.

  • Unique, memorable catchphrases
    To enable connecting users to verify identity. Generated from a 2048-bit RSA public/private key. Identity changes are flagged, deterring man-in-the-middle attacks. Personal and Enterprise licenses only.

  • Lock down using policy
    To prevent users configuring VNC applications. Enterprise licenses only.

  • Blacklisting
    To prevent denial-of-service attacks.

  • VNC permissions
    To allow only particular connected users access to features such as printing and file transfer. Personal and Enterprise licenses only.

  • IP filtering
    To restrict the computers permitted to connect.

  • Gatekeeping
    To enable one user to accept or reject connections.

  • View-only connections
    To prevent interaction by all, or just particular, connected users.

  • Idle timeout
    To terminate non-responsive connections.

  • Exclusive access
    To allow only one connection at a time.

  • Lock or log off on last disconnect
    To prevent unauthorized access to an unattended VNC Server computer (Windows and Mac only).

  • Screen blanking
    To prevent unauthorized observation of an unattended VNC Server computer (Windows only).

  • Port sharing
    To minimize open ports and firewall exceptions by sharing the same port for VNC connections and VNC Viewer for Java downloads.

  • Audit logging
    To record successful or attempted connections.

  • Signed binaries
    To identify RealVNC Ltd (Windows only).


VNC is available in the following languages:

  • English

  • French

  • German

  • Spanish

VNC programs automatically run in the desktop language of the user. If required, VNC Server can be configured to support mixed-language environments.

Hard disk space


  • VNC Server: 23.2 MB

  • VNC Viewer: 8.5 MB

Mac OS X

  • VNC Server: 37.4 MB

  • VNC Viewer: 12.4 MB


  • VNC Server: 29.4 MB

  • VNC Viewer: 5.6 MB


VNC Server can be started in different modes to meet different remote access needs:

  Service Mode User Mode Virtual Mode
Windows Yes Yes
Mac OS X Yes Yes
UNIX/Linux Yes Yes Yes