Windows

Simply download and run this installer. (US mirror)
The application will appear in your system tray once started. (Windows Vista and Windows 7 may require that you "unhide" it for easier access)
The server is limited to exporting the local display in full, you will not be able to launch individual applications or remote desktops when connected to a Microsoft Windows computer. (you may want to use an online account to connect to a proper server operating system)

Linux

• Ubuntu and Debian
• Fedora RPMs
• openSUSE RPMs
• CentOS RPMs
• Generic RPMs
• Gentoo ebuilds
• arch Linux package and xpra here. (off-site contribution)

Note: KDE users should be aware that there are a number of KDE bugs and issues
Prior to installing the package, RPM users may want to import the package manager's key with: wget -q -O- https://winswitch.org/gpg.asc | rpm --import -

Android (beta)

This version is a work-in-progress and is not available through the android market.
You will need to download:

• Xpra.apk to use Xpra (VNC, NX and RDP are currently not supported yet on Android)
• winswitch.apk

To install these packages, you may need to enable "unknown sources" (in the phone's "Settings" for "Applications")

Mac OS X

• For newer Intel based Macs, download this disk image
• For older PowerPC based Macs, download this disk image

You can run the application directly from the disk image or copy it to your hard disk.

Note: this is a work in progress and may not be quite as stable as the other platforms.
You can also find checksums and raw archives here

FreeBSD

You can find some (generally old) pre-built binaries here.
Check the build instructions to install from source and also to ensure that all the required libraries are present.

(there are no TigerVNC server binaries at present as it fails to build, but you should be able to use the standard Xvnc server in its place)

OpenSolaris

You can find some (generally very old) pre-built binaries here.
Check the build instructions to install from source and also to ensure that all the required libraries are present.

(there are no TigerVNC server binaries at present as it fails to build, but you should be able to use the standard Xvnc server in its place)

Generic Java Client (alpha)

For unsupported platforms which have access to a Java virtual machine, you can use the Java Client.

Installation from source for other platforms

This software uses distutils to install, which means that you should be able to install from source on any platform which has the required dependencies.

see here for more detailed instructions.