The is the executable file for the Windows version of the software. It requires no installation—you simply download the .exe file and run it. This "portable" nature makes it ideal for USB drives or restricted environments where you cannot install software.
Because it does not require installation, it can be run from a USB drive, making it ideal for use on restricted public or work computers. Limitations and Considerations psiphon 3 exe for windows
Your network may be blocking all VPN protocols. Try changing the connection settings: The is the executable file for the Windows