How To Use Portmon ^new^ Here

: Portmon natively supports 32-bit (x86) legacy Windows versions including Windows 95, 98, NT, 2000, XP, and Server 2003.

Use if you are on older hardware (Windows 7/XP) or if you need deep kernel-level debugging for free. how to use portmon

cannot capture events on 64-bit OS versions. Administrative Rights: You must have administrative privileges to run Portmon and access its kernel-mode drivers. Installation: It is a portable "one-file" utility; simply download and run the executable. Microsoft Learn +3 How to Use Portmon 1. Initial Setup Close target applications: Ensure the program you want to monitor (e.g., HyperTerminal or MATLAB) is : Portmon natively supports 32-bit (x86) legacy Windows

If you are on and just need to see "what data is going in and out," skip Portmon and use a modern alternative like HW Virtual Serial Port or a paid tool like Serial Port Monitor by Eltima, as Portmon's kernel driver often fails to load on modern architecture. Initial Setup Close target applications: Ensure the program