TightVNC Portable is a popular Open Source Portable VNC Viewer that can be stored and run from a USB flash drive. Virtual Network Computing or (VNC) enables a user to view the desktop of a remote machine and control it with a the mouse and keyboard from a local machine as if you were sitting right in front of the remote computer. In addition to being installable, it is also offered in a zip format which can easily be extracted to a folder on your USB device. This also makes the VNC Viewer Portable. The program can then be launched from your portable device on any computer.
Note: TightVNC does save some of its changes back to the registry. So if you must avoid leaving any traces behind on the host PC, you will need to delete the following entries when you are finished using the tool:
VNC Viewer Portable TightVNC
Authors Website: Project Page
Supported Operating Systems: Windows 11, 10, 8, 7
License: Open Source
Extracted Size: 1.4MB
Download: You can grab the Portable zip file HERE